Revert 100% label max-width (#30481)
Partial revert of https://github.com/go-gitea/gitea/pull/30479
It's causing problems at least here:
https://github.com/go-gitea/gitea/pull/30344#discussion_r1564895591
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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
(cherry picked from commit ef3941f2ebe9d8353f9546e7df00b24092c71cb7)
authored by