Drop Fomantic tab, checkbox and form patches (#37377)

Clean up the fomantic helpers that nothing inside fomantic depends on.
Manually tested all functionality.

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Co-authored-by: Claude (Opus 4.7) <noreply@anthropic.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/repo/settings/webhook/history.tmpl

@@ -33,7 +33,7 @@
 						</span>
 					</div>
 					<div class="info tw-hidden" id="info-{{.ID}}">
-						<div class="ui top attached tabular menu">
+						<div class="ui top attached tabular menu" data-global-init="initTabSwitcher">
 							<a class="item active" data-tab="request-{{.ID}}">
 								{{template "shared/misc/tabtitle" (ctx.Locale.Tr "repo.settings.webhook.request")}}
 							</a>