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Some translations were just copied&pasted and they duplicated a lot.
Now, they are broken .....
To avoid blocking 1.20 release, as a quick fix, remove all of them, only
keep the en-US texts.
The locales of Gitea has been broken for long time, till now, it's still
not fully fixed.
One of the root problems is that the `ini` library is quite quirky and
the `update-locales` script doesn't work well for all cases.
This PR fixes the `update-locales` script to make it satisfy `ini`
library and the crowdin.
See the comments for more details.
The `locale_zh-CN.ini` is an example, it comes from crowdin and is
processed by the new `update-locales.sh`. Especially see the `feed_of`:
https://github.com/go-gitea/gitea/pull/23240/files#diff-321f6ca4eae1096eba230e93c4740f9903708afe8d79cf2e57f4299786c4528bR268
