Merge "Remove ImageGalleryBase::useSkin() (deprecated since 1.18)"

diff --cc RELEASE-NOTES-1.24
index 8974e68,1035a5e..530ffba
--- 1/RELEASE-NOTES-1.24
--- 2/RELEASE-NOTES-1.24
+++ b/RELEASE-NOTES-1.24
@@@ -180,9 -177,9 +180,10 @@@ changes to languages because of Bugzill
  * Removed info(), purge(), revert() and rollback() from the Article class; they
    have since become subclasses of the Action class. (deprecated since 1.19)
  * SearchEngineReplacePrefixesComplete hook was removed.
 +* The "jquery.json" module has been deprecated. Use the "json" module instead.
  * Removed HTMLForm::addJS(). (deprecated since 1.18)
  * Removed LogEventsList::showHeader(). (deprecated since 1.19)
+ * Removed ImageGalleryBase::useSkin(). (deprecated since 1.18)
  
  ==== Renamed classes ====
  * CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression