Move from html plugin to js plugin

Change-Id: I28de11d5538f1c6b324e8c755076ba7a3ae0349f

src/main/java/com/googlesource/gerrit/plugins/simplesubmitrules/Module.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/simplesubmitrules/Module.java b/src/main/java/com/googlesource/gerrit/plugins/simplesubmitrules/Module.java
index 36b027b..8580ad8 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/simplesubmitrules/Module.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/simplesubmitrules/Module.java
@@ -38,7 +38,7 @@
         });
 
     DynamicSet.bind(binder(), WebUiPlugin.class)
-        .toInstance(new JavaScriptPlugin("simple-submit-rules.html"));
+        .toInstance(new JavaScriptPlugin("simple-submit-rules.js"));
     install(new BatchModule());
   }
 }