Use Fomantic's fluid padded for blame full width (#12023)

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

templates/repo/home.tmpl

@@ -1,7 +1,7 @@
 {{template "base/head" .}}
-<div class="repository file list {{if .IsBlame}}blame{{end}}">
+<div class="repository file list">
 	{{template "repo/header" .}}
-	<div class="ui container">
+	<div class="ui container {{if .IsBlame}}fluid padded{{end}}">
 		{{template "base/alert" .}}
 		<div class="ui repo-description">
 			<div id="repo-desc">

web_src/less/_repository.less

@@ -245,12 +245,6 @@
     }
 
     &.file.list {
-        &.blame {
-            .ui.container:not(.flex) {
-                width: 98%;
-            }
-        }
-
         .repo-description {
             display: flex;
             justify-content: space-between;