fix overview tab

Author: yp05327

templates/user/overview/header.tmpl

@@ -1,5 +1,5 @@
 <div class="ui secondary stackable pointing menu">
-	{{if .HasProfileReadme}}
+	{{if and .HasProfileReadme .ContextUser.IsIndividual}}
 	<a class="{{if eq .TabName "overview"}}active {{end}}item" href="{{.ContextUser.HomeLink}}?tab=overview">
 		{{svg "octicon-info"}} {{ctx.Locale.Tr "user.overview"}}
 	</a>