Issue 3532 - Stop generating animation images at build time

packagerChrome.py

 # coding: utf-8
 
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import sys
 import os
 import re
 import json
@@ skipping 318 matching lines @@
   mapped = metadata.items('mapping') if metadata.has_section('mapping') else []
   files = Files(getPackageFiles(params), getIgnoredFiles(params),
                 process=lambda path, data: processFile(path, data, params))
 
   files.readMappedFiles(mapped)
   files.read(baseDir, skip=[opt for opt, _ in mapped])
 
   if metadata.has_section('convert_js'):
     convertJS(params, files)
 
-  if metadata.has_section('convert_img'):
-    from imageConversion import convertImages
-    convertImages(params, files)
-
   if metadata.has_section('preprocess'):
     files.preprocess(
       [f for f, _ in metadata.items('preprocess')],
       {'needsExt': True}
     )
 
   if metadata.has_section('import_locales'):
     importGeckoLocales(params, files)
 
   files['manifest.json'] = createManifest(params, files)
@@ skipping 15 matching lines @@
     files['qunit/index.html'] = createScriptPage(params, 'testIndex.html.tmpl',
                                                  ('general', 'testScripts'))
 
   zipdata = files.zipToString()
   signature = None
   pubkey = None
   if keyFile != None:
     signature = signBinary(zipdata, keyFile)
     pubkey = getPublicKey(keyFile)
   writePackage(outFile, pubkey, signature, zipdata)