Remove redundant URI.min.js fron lms/

A newer version was added to common/, so that is used instead. It is
also added to the set of JS files used in unit tests to allow forums
code in common/ to be tested.

common/static/js_test.yml

@@ -34,6 +34,7 @@ lib_paths:
     - js/vendor/underscore-min.js
     - js/vendor/backbone-min.js
     - js/vendor/jquery.timeago.js
+    - js/vendor/URI.min.js
     - coffee/src/ajax_prefix.js
     - js/test/add_ajax_prefix.js
     - coffee/src/jquery.immediateDescendents.js

lms/templates/discussion/_js_dependencies.html

@@ -9,7 +9,7 @@
 <script type="text/javascript" src="${static.url('js/jquery.timeago.js')}"></script>
 <script type="text/javascript" src="${static.url('js/jquery.tagsinput.js')}"></script>
 <script type="text/javascript" src="${static.url('js/mustache.js')}"></script>
-<script type="text/javascript" src="${static.url('js/URI.min.js')}"></script>
+<script type="text/javascript" src="${static.url('js/vendor/URI.min.js')}"></script>
 <script type="text/javascript" src="${static.url('js/vendor/underscore-min.js')}"></script>
 <script type="text/javascript" src="${static.url('js/vendor/backbone-min.js')}"></script>
 

lms/templates/discussion/_js_head_dependencies.html

@@ -9,7 +9,7 @@
 <script type="text/javascript" src="${static.url('js/jquery.timeago.js')}"></script>
 <script type="text/javascript" src="${static.url('js/jquery.tagsinput.js')}"></script>
 <script type="text/javascript" src="${static.url('js/mustache.js')}"></script>
-<script type="text/javascript" src="${static.url('js/URI.min.js')}"></script>
+<script type="text/javascript" src="${static.url('js/vendor/URI.min.js')}"></script>
 <script type="text/javascript" src="${static.url('js/vendor/underscore-min.js')}"></script>
 <script type="text/javascript" src="${static.url('js/vendor/backbone-min.js')}"></script>