Remove x-ua-compatible header (go-gitea#15640)

silverwind · web-flow · commit cc7d118b126c · 2021-04-28T03:15:16.000+03:00
The header is deprecated since IE 11 so it only serves to support IE 10
and below which are browsers which are long unsupported now.
diff --git a/templates/base/head.tmpl b/templates/base/head.tmpl
@@ -3,7 +3,6 @@
 <head data-suburl="{{AppSubUrl}}">
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<meta http-equiv="x-ua-compatible" content="ie=edge">
 	<title>{{if .Title}}{{.Title | RenderEmojiPlain}} - {{end}} {{if .Repository.Name}}{{.Repository.Name}} - {{end}}{{AppName}} </title>
 	<link rel="manifest" href="data:{{.ManifestData}}"/>
 	<meta name="theme-color" content="{{ThemeColorMetaTag}}">
