[mtouch] Remove dead code.

tools/mtouch/Application.cs

@@ -1353,12 +1353,6 @@ namespace Xamarin.Bundler {
 			}
 		}
 
-		public void NativeLink ()
-		{
-			foreach (var target in Targets)
-				target.NativeLink ();
-		}
-		
 		// this will filter/remove warnings that are not helpful (e.g. complaining about non-matching armv6-6 then armv7-6 on fat binaries)
 		// and turn the remaining of the warnings into MT5203 that MonoDevelop will be able to report as real warnings (not just logs)
 		// it will also look for symbol-not-found errors and try to provide useful error messages.