Remove double escape on labels addition in comments (#12809)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/repo/issue/view_content/comments.tmpl

@@ -167,7 +167,7 @@
 				</a>
 				<span class="text grey">
 					<a class="author" href="{{.Poster.HomeLink}}">{{.Poster.GetDisplayName}}</a>
-					{{if .Content}}{{$.i18n.Tr "repo.issues.add_label_at" .Label.ForegroundColor .Label.Color (.Label.Name|Escape|RenderEmoji) $createdStr | Safe}}{{else}}{{$.i18n.Tr "repo.issues.remove_label_at" .Label.ForegroundColor .Label.Color (.Label.Name|Escape|RenderEmoji) $createdStr | Safe}}{{end}}
+					{{if .Content}}{{$.i18n.Tr "repo.issues.add_label_at" .Label.ForegroundColor .Label.Color (.Label.Name|RenderEmoji) $createdStr | Safe}}{{else}}{{$.i18n.Tr "repo.issues.remove_label_at" .Label.ForegroundColor .Label.Color (.Label.Name|RenderEmoji) $createdStr | Safe}}{{end}}
 				</span>
 			</div>
 		{{end}}