Remove duplicate and unused languages from OS X client project

Transmission.xcodeproj/project.pbxproj

@@ -2471,29 +2471,14 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 1;
 			knownRegions = (
-				English,
-				Japanese,
-				French,
-				German,
-				Greek,
-				Spanish,
-				Korean,
-				Italian,
-				Russian,
 				en,
 				es,
 				fr,
 				it,
-				el,
-				ko,
 				nl,
 				ru,
-				zh_TW,
 				tr,
-				pt,
 				de,
-				zh_CN,
-				pt_PT,
 				da,
 				"pt-PT",
 			);