#2162 completely disable builtin issue tracker when enable external tracker

templates/.VERSION

@@ -1 +1 @@
-0.9.60.0803
+0.9.61.0804

templates/repo/header.tmpl

@@ -52,7 +52,7 @@
 			<a class="{{if .PageIsViewCode}}active{{end}} item" href="{{.RepoLink}}">
 				<i class="octicon octicon-code"></i> {{.i18n.Tr "repo.code"}}
 			</a>
-			{{if .Repository.EnableIssues}}
+			{{if and .Repository.EnableIssues (not .Repository.EnableExternalTracker)}}
 				<a class="{{if .PageIsIssueList}}active{{end}} item" href="{{.RepoLink}}/issues">
 					<i class="octicon octicon-issue-opened"></i> {{.i18n.Tr "repo.issues"}} <span class="ui {{if not .Repository.NumOpenIssues}}gray{{else}}blue{{end}} small label">{{.Repository.NumOpenIssues}}</span>
 				</a>