remove unneeded margin

Author: silverwind

templates/repo/issue/view_title.tmpl

@@ -3,7 +3,7 @@
 		<h1 class="gt-df gt-ac gt-f1 gt-word-break">
 			<span id="issue-title">{{RenderIssueTitle $.Context .Issue.Title $.RepoLink $.Repository.ComposeMetas | RenderCodeBlock}} <span class="index">#{{.Issue.Index}}</span>
 </span>
-			<div id="edit-title-input" class="ui input gt-f1 gt-ml-3 gt-hidden">
+			<div id="edit-title-input" class="ui input gt-f1 gt-hidden">
 				<input value="{{.Issue.Title}}" maxlength="255" autocomplete="off">
 			</div>
 		</h1>