XWIKI-9286: Localization module stop searching for translation at the first bundle that contains the key for one of the parent locale of the passed locale
* remove code that was committed by mistake
(cherry picked from commit 15492b5410b79e1fa9d0652b43090db450e77b0e)

Conflicts:
	xwiki-platform-core/xwiki-platform-localization/xwiki-platform-localization-sources/xwiki-platform-localization-source-legacy/src/test/java/com/xpn/xwiki/web/XWikiMessageToolBridgeTest.java