Remove tasks.js reference from index.html

The file no longer exists. This only affects development environments,
not the built binary since it only references the minified scripts.js.

Author: spadgett

Diff for: app/index.html

@@ -333,7 +333,6 @@ <h1>JavaScript Required</h1>
         <script src="scripts/directives/actionChip.js"></script>
         <script src="scripts/directives/addConfigToApplication.js"></script>
         <script src="scripts/directives/templateopt.js"></script>
-        <script src="scripts/directives/tasks.js"></script>
         <script src="scripts/directives/catalog.js"></script>
         <script src="scripts/directives/catalog/categoryContent.js"></script>
         <script src="scripts/directives/catalog/catalogImage.js"></script>