Remove Handlebars library

The full Handlebars library was added in Talk when it was removed from
the server (during the Nextcloud 16 cycle), as it was still needed in
Talk to compile Handlebars templates at runtime. Now that all the
Handlebars templates are precompiled the library can be removed.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

js/merged-files.json

@@ -2,7 +2,6 @@
   "vendor/backbone/backbone-min.js",
   "vendor/backbone.radio/build/backbone.radio.min.js",
   "vendor/backbone.marionette/lib/backbone.marionette.min.js",
-  "vendor/handlebars/handlebars.min.js",
   "vendor/jshashes/hashes.min.js",
   "vendor/Caret.js/dist/jquery.caret.min.js",
   "vendor/At.js/dist/js/jquery.atwho.min.js",

js/merged-guest.json

@@ -2,7 +2,6 @@
   "vendor/backbone/backbone-min.js",
   "vendor/backbone.radio/build/backbone.radio.min.js",
   "vendor/backbone.marionette/lib/backbone.marionette.min.js",
-  "vendor/handlebars/handlebars.min.js",
   "vendor/jshashes/hashes.min.js",
   "vendor/Caret.js/dist/jquery.caret.min.js",
   "vendor/At.js/dist/js/jquery.atwho.min.js",

js/merged-share-auth.json

@@ -2,7 +2,6 @@
   "vendor/backbone/backbone-min.js",
   "vendor/backbone.radio/build/backbone.radio.min.js",
   "vendor/backbone.marionette/lib/backbone.marionette.min.js",
-  "vendor/handlebars/handlebars.min.js",
   "vendor/jshashes/hashes.min.js",
   "vendor/Caret.js/dist/jquery.caret.min.js",
   "vendor/At.js/dist/js/jquery.atwho.min.js",

js/merged.json

@@ -2,7 +2,6 @@
   "vendor/backbone/backbone-min.js",
   "vendor/backbone.radio/build/backbone.radio.min.js",
   "vendor/backbone.marionette/lib/backbone.marionette.min.js",
-  "vendor/handlebars/handlebars.min.js",
   "vendor/jshashes/hashes.min.js",
   "vendor/Caret.js/dist/jquery.caret.min.js",
   "vendor/At.js/dist/js/jquery.atwho.min.js",