Merge pull request 'Remove 15 unused strings' (#5139) from 0ko/forgejo:i18n-cleanup-15x into forgejo

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/5139
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Reviewed-by: Otto <otto@codeberg.org>

options/locale/locale_en-US.ini

@@ -618,7 +618,6 @@ lang_select_error = Select a language from the list.
 
 username_been_taken = The username is already taken.
 username_change_not_local_user = Non-local users are not allowed to change their username.
-username_has_not_been_changed = Username has not been changed
 repo_name_been_taken = The repository name is already used.
 repository_force_private = Force Private is enabled: private repositories cannot be made public.
 repository_files_already_exist = Files already exist for this repository. Contact the system administrator.
@@ -848,7 +847,6 @@ principal_desc = These SSH certificate principals are associated with your accou
 gpg_desc = These public GPG keys are associated with your account and used to verify your commits. Keep your private keys safe as they allow to sign commits with your identity.
 ssh_helper = <strong>Need help?</strong> Have a look at the guide to <a href="%s">create your own SSH keys</a> or solve <a href="%s">common problems</a> you may encounter using SSH.
 gpg_helper = <strong>Need help?</strong> Have a look at the guide <a href="%s">about GPG</a>.
-add_new_gpg_key = Add GPG key
 key_content_ssh_placeholder = Begins with "ssh-ed25519", "ssh-rsa", "ecdsa-sha2-nistp256", "ecdsa-sha2-nistp384", "ecdsa-sha2-nistp521", "sk-ecdsa-sha2-nistp256@openssh.com", or "sk-ssh-ed25519@openssh.com"
 key_content_gpg_placeholder = Begins with "-----BEGIN PGP PUBLIC KEY BLOCK-----"
 add_new_principal = Add principal
@@ -912,9 +910,6 @@ hide_openid = Hide from profile
 ssh_disabled = SSH is disabled
 ssh_signonly = SSH is currently disabled so these keys are only used for commit signature verification.
 ssh_externally_managed = This SSH key is externally managed for this user
-social_desc = These social accounts can be used to sign in to your account. Make sure you recognize all of them.
-unbind = Unlink
-unbind_success = The social account has been removed successfully.
 
 manage_access_token = Access tokens
 generate_new_token = Generate new token
@@ -925,8 +920,6 @@ generate_token_success = Your new token has been generated. Copy it now as it wi
 generate_token_name_duplicate = <strong>%s</strong> has been used as an application name already. Please use a new one.
 delete_token = Delete
 access_token_deletion = Delete access token
-access_token_deletion_cancel_action = Cancel
-access_token_deletion_confirm_action = Delete
 access_token_deletion_desc = Deleting a token will revoke access to your account for applications using it. This cannot be undone. Continue?
 delete_token_success = The token has been deleted. Applications using it no longer have access to your account.
 repo_and_org_access = Repository and Organization Access
@@ -1000,7 +993,6 @@ webauthn_alternative_tip = You may want to configure an additional authenticatio
 
 manage_account_links = Linked accounts
 manage_account_links_desc = These external accounts are linked to your Forgejo account.
-account_links_not_available = There are currently no external accounts linked to your Forgejo account.
 link_account = Link account
 remove_account_link = Remove linked account
 remove_account_link_desc = Removing a linked account will revoke its access to your Forgejo account. Continue?
@@ -2476,8 +2468,6 @@ settings.protected_branch.save_rule = Save rule
 settings.protected_branch.delete_rule = Delete rule
 settings.branch_protection = Protection rules for branch "<b>%s</b>"
 settings.protect_new_rule = Create a new branch protection rule
-settings.protect_this_branch = Enable branch protection
-settings.protect_this_branch_desc = Prevents deletion and restricts Git pushing and merging to the branch.
 settings.protect_disable_push = Disable push
 settings.protect_disable_push_desc = No pushing will be allowed to this branch.
 settings.protect_enable_push = Enable push
@@ -2520,8 +2510,6 @@ settings.protect_protected_file_patterns = Protected file patterns (separated us
 settings.protect_protected_file_patterns_desc = Protected files are not allowed to be changed directly even if user has rights to add, edit, or delete files in this branch. Multiple patterns can be separated using semicolon (";"). See <a href="https://pkg.go.dev/github.com/gobwas/glob#Compile">github.com/gobwas/glob</a> documentation for pattern syntax. Examples: <code>.drone.yml</code>, <code>/docs/**/*.txt</code>.
 settings.protect_unprotected_file_patterns = Unprotected file patterns (separated using semicolon ";")
 settings.protect_unprotected_file_patterns_desc = Unprotected files that are allowed to be changed directly if user has write access, bypassing push restriction. Multiple patterns can be separated using semicolon (";"). See <a href="https://pkg.go.dev/github.com/gobwas/glob#Compile">github.com/gobwas/glob</a> documentation for pattern syntax. Examples: <code>.drone.yml</code>, <code>/docs/**/*.txt</code>.
-settings.add_protected_branch = Enable protection
-settings.delete_protected_branch = Disable protection
 settings.update_protect_branch_success = Branch protection for rule "%s" has been updated.
 settings.remove_protected_branch_success = Branch protection for rule "%s" has been removed.
 settings.remove_protected_branch_failed = Removing branch protection rule "%s" failed.
@@ -2606,8 +2594,6 @@ settings.rename_branch_failed_protected=Cannot rename branch %s because it is a
 settings.rename_branch_failed_exist=Cannot rename branch because target branch %s exists.
 settings.rename_branch_failed_not_exist=Cannot rename branch %s because it does not exist.
 settings.rename_branch_success =Branch %s was successfully renamed to %s.
-settings.rename_branch_from=old branch name
-settings.rename_branch_to=new branch name
 settings.rename_branch=Rename branch
 
 diff.browse_source = Browse source
@@ -2754,7 +2740,6 @@ branch.create_new_branch = Create branch from branch:
 branch.confirm_create_branch = Create branch
 branch.warning_rename_default_branch = You are renaming the default branch.
 branch.rename_branch_to = Rename "%s" to:
-branch.confirm_rename_branch = Rename branch
 branch.create_branch_operation = Create branch
 branch.new_branch = Create new branch
 branch.new_branch_from = Create new branch from "%s"