Move `_helpers.js` include from various .ecr's into `template.ecr` `head` tag

src/invidious/views/add_playlist_items.ecr

@@ -29,7 +29,6 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/playlist_widget.js?v=<%= ASSET_COMMIT %>"></script>
 
 <div class="pure-g">

src/invidious/views/community.ecr

@@ -93,5 +93,4 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/community.js?v=<%= ASSET_COMMIT %>"></script>

src/invidious/views/components/player.ecr

@@ -66,5 +66,4 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/player.js?v=<%= ASSET_COMMIT %>"></script>

src/invidious/views/components/subscribe_widget.ecr

@@ -31,7 +31,6 @@
     }.to_pretty_json
     %>
     </script>
-    <script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
     <script src="/js/subscribe_widget.js?v=<%= ASSET_COMMIT %>"></script>
 <% else %>
     <p>

src/invidious/views/embed.ecr

@@ -31,7 +31,6 @@
 </script>
 
 <%= rendered "components/player" %>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/embed.js?v=<%= ASSET_COMMIT %>"></script>
 </body>
 </html>

src/invidious/views/feeds/history.ecr

@@ -25,7 +25,6 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/watched_widget.js"></script>
 
 <div class="pure-g">

src/invidious/views/feeds/subscriptions.ecr

@@ -50,7 +50,6 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/watched_widget.js"></script>
 
 <div class="pure-g">

src/invidious/views/playlist.ecr

@@ -97,7 +97,6 @@
 }.to_pretty_json
 %>
 </script>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/playlist_widget.js?v=<%= ASSET_COMMIT %>"></script>
 <% end %>
 

src/invidious/views/template.ecr

@@ -17,6 +17,7 @@
     <link rel="stylesheet" href="/css/grids-responsive-min.css?v=<%= ASSET_COMMIT %>">
     <link rel="stylesheet" href="/css/ionicons.min.css?v=<%= ASSET_COMMIT %>">
     <link rel="stylesheet" href="/css/default.css?v=<%= ASSET_COMMIT %>">
+    <script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 </head>
 
 <%
@@ -157,7 +158,6 @@
         </div>
         <div class="pure-u-1 pure-u-md-2-24"></div>
     </div>
-    <script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
     <script src="/js/handlers.js?v=<%= ASSET_COMMIT %>"></script>
     <script src="/js/themes.js?v=<%= ASSET_COMMIT %>"></script>
     <% if env.get? "user" %>

src/invidious/views/watch.ecr

@@ -165,7 +165,6 @@ we're going to need to do it here in order to allow for translations.
                     }.to_pretty_json
                     %>
                     </script>
-                    <script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
                     <script src="/js/playlist_widget.js?v=<%= Time.utc.to_unix_ms %>"></script>
                 <% end %>
             <% end %>
@@ -304,5 +303,4 @@ we're going to need to do it here in order to allow for translations.
         </div>
     <% end %>
 </div>
-<script src="/js/_helpers.js?v=<%= ASSET_COMMIT %>"></script>
 <script src="/js/watch.js?v=<%= ASSET_COMMIT %>"></script>