Issue 5757 - Update buildtools dependency, (re)move legacy extensions

sitescripts/extensions/utils.py

 # This file is part of the Adblock Plus web scripts,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 13 matching lines @@
 import urlparse
 import urllib
 import xml.dom.minidom as dom
 from ConfigParser import SafeConfigParser, NoOptionError
 from StringIO import StringIO
 from sitescripts.utils import get_config
 from xml.parsers.expat import ExpatError
 
 PACKAGE_SUFFIXES = {
     'gecko': '.xpi',
-    'gecko-webext': '.xpi',
     'chrome': '.crx',
     'safari': '.safariextz',
     'ie': '.exe',
     'android': '.apk',
     'edge': '.appx'
 }
 
 
 def compareVersionParts(part1, part2):
     def convertInt(value, default):
@@ skipping 351 matching lines @@
     if not extensions:
         return
 
     updates = {}
     for extension in extensions:
         updates[extension['basename']] = {
             'url': extension['updateURL'],
             'version': extension['version']
         }
     writeLibabpUpdateManifest(path, updates)