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

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/devtest/label.tmpl

@@ -20,7 +20,7 @@
 			<span class="ui label"><span class="gt-ellipsis">very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong label</span></span>
 		</div>
 		<div class="tw-my-2">
-			<span class="ui label"><span class="gt-ellipsis">very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong label</span></span>
+			<span class="ui label tw-max-w-full"><span class="gt-ellipsis">very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong label</span></span>
 		</div>
 	</div>
 </div>

web_src/css/modules/label.css

@@ -6,7 +6,6 @@
   align-items: center;
   gap: .25rem;
   min-width: 0;
-  max-width: 100%; /* since we are using "flex" to align label contents, we also need to limit the x-axis, a label shouldn't be wider than 100% */
   vertical-align: middle;
   line-height: 1;
   background: var(--color-label-bg);