Remove useless template file (#29053)

Removed `templates/repo/settings/nav.tmpl`.

I don't think it's still used.

On main branch:
<img width="521" alt="image"
src="https://github.com/go-gitea/gitea/assets/9418365/c0bf958c-698a-4348-840e-3ade0312bd6e">

On commit 755eec745fa324fdd13078f0147638f8731652ba (the commit that
created this file):

<img width="615" alt="image"
src="https://github.com/go-gitea/gitea/assets/9418365/5156b26d-1ecd-4197-a0a6-dc2d17652ff4">

diff --git a/templates/repo/settings/nav.tmpl b/templates/repo/settings/nav.tmpl
deleted file mode 100644 (file)
index 93ecb38..0000000
--- a/templates/repo/settings/nav.tmpl
+++ /dev/null
@@ -1,19 +0,0 @@
-<div id="setting-menu" class="grid-1-5 panel panel-radius left">
-       <p class="panel-header"><strong>{{ctx.Locale.Tr "repo.settings"}}</strong></p>
-       <div class="panel-body">
-               <ul class="menu menu-vertical switching-list grid-1-5 left">
-                       <li {{if .PageIsSettingsOptions}}class="current"{{end}}><a href="{{.RepoLink}}/settings">{{ctx.Locale.Tr "repo.settings.options"}}</a></li>
-                       <li {{if .PageIsSettingsCollaboration}}class="current"{{end}}><a href="{{.RepoLink}}/settings/collaboration">{{ctx.Locale.Tr "repo.settings.collaboration"}}</a></li>
-                       <li {{if .PageIsSettingsBranches}}class="current"{{end}}><a href="{{.RepoLink}}/settings/branches">{{ctx.Locale.Tr "repo.settings.branches"}}</a></li>
-                       <li {{if .PageIsSettingsTags}}class="current"{{end}}><a href="{{.RepoLink}}/settings/tags">{{ctx.Locale.Tr "repo.settings.tags"}}</a></li>
-                       {{if not DisableWebhooks}}
-                       <li {{if .PageIsSettingsHooks}}class="current"{{end}}><a href="{{.RepoLink}}/settings/hooks">{{ctx.Locale.Tr "repo.settings.hooks"}}</a></li>
-                       {{end}}
-                       {{if or .SignedUser.AllowGitHook .SignedUser.IsAdmin}}
-                               <li {{if .PageIsSettingsGitHooks}}class="current"{{end}}><a href="{{.RepoLink}}/settings/hooks/git">{{ctx.Locale.Tr "repo.settings.githooks"}}</a></li>
-                       {{end}}
-                       <li {{if .PageIsSettingsKeys}}class="current"{{end}}><a href="{{.RepoLink}}/settings/keys">{{ctx.Locale.Tr "repo.settings.deploy_keys"}}</a></li>
-                       <li {{if .PageIsSharedSettingsSecrets}}class="current"{{end}}><a href="{{.RepoLink}}/settings/secrets">{{ctx.Locale.Tr "secrets.secrets"}}</a></li>
-               </ul>
-       </div>
-</div>