Issue #1470 - Part 3: Remove now unused update.locale

This requires changes to package-manifest in all applications

toolkit/locales/Makefile.in

@@ -29,6 +29,3 @@ chrome-%:
 	@$(MAKE) -C $(DEPTH)/security/manager/locales/ chrome AB_CD=$*
 	@$(MAKE) chrome AB_CD=$*
 
-libs:: update.locale
-	sed -e 's/%AB_CD%/$(AB_CD)/' $< > $(FINAL_TARGET)/update.locale
-

toolkit/locales/update.locale

@@ -1 +0,0 @@
-%AB_CD%

toolkit/mozapps/installer/l10n-repack.py

@@ -20,7 +20,6 @@ NON_CHROME = set([
     'hyphenation',
     'defaults/profile',
     'defaults/pref*/*-l10n.js',
-    'update.locale',
     'updater.ini',
     'extensions/langpack-*@*',
     'distribution/extensions/langpack-*@*',