Div hiding fix reverted

Placing hidden as CSS class only greys out this option; we want
to hide it. According to

https://stackoverflow.com/questions/1992114/how-do-you-create-a-hidden-div-that-doesnt-create-a-line-break-or-horizontal-sp/27548863#27548863

using hidden as attribute is ok and works ok in gitea.

Fixes: 6437b04
Author-Change-Id: IB#1115251

Author: pboguslawski

templates/admin/user/edit.tmpl

@@ -116,7 +116,7 @@
 						<input name="restricted" type="checkbox" {{if .User.IsRestricted}}checked{{end}}>
 					</div>
 				</div>
-				<div class="inline field{{if DisableGitHooks}} hidden{{end}}">
+				<div class="inline field"{{if DisableGitHooks}} hidden{{end}}>
 					<div class="ui checkbox tooltip" data-content="{{.i18n.Tr "admin.users.allow_git_hook_tooltip"}}" data-variation="very wide">
 						<label><strong>{{.i18n.Tr "admin.users.allow_git_hook"}}</strong></label>
 						<input name="allow_git_hook" type="checkbox" {{if .User.CanEditGitHook}}checked{{end}} {{if DisableGitHooks}}disabled{{end}}>