Remove leftover code

ApplicationController.h

@@ -30,5 +30,4 @@
 - (IBAction)installCliTool:(id)sender;
 
 - (IBAction)saveAction:sender;
-- (IBAction)switchBranch:sender;
 @end

ApplicationController.m

@@ -93,11 +93,6 @@
 	}
 }
 
-- (IBAction) switchBranch: sender
-{
-	[[NSAlert alertWithMessageText:@"Not Supported" defaultButton:nil alternateButton:nil otherButton:nil informativeTextWithFormat:@"Sorry, switching branches is not supported yet"] runModal];
-}
-
 /**
     Returns the support folder for the application, used to store the Core Data
     store file.  This code uses a folder named "GitTest" for