Stop loading bundles.json

Stop application from requesting bundles.json at first load.  This was
confusing to some external developers who would see an error in the
log and not know the cause.

platform/framework/src/Constants.js

@@ -25,7 +25,6 @@
  */
 define({
     MODULE_NAME: "OpenMCTWeb",
-    BUNDLE_LISTING_FILE: "bundles.json",
     BUNDLE_FILE: "bundle.json",
     SEPARATOR: "/",
     EXTENSION_SUFFIX: "[]",