get rid of obsolete code for 32-bit targets

fixes vcl/osx/a11ywrapper.mm:1037: error: ambiguous overload for
'operator<<' (operand types are 'std::basic_ostream<char>' and 'CGPoint')

Change-Id: Iabf9a1e795c9fe89ff5d6ff379aa6a18dd7dbf65

vcl/osx/a11ywrapper.mm

@@ -62,17 +62,6 @@ static std::ostream &operator<<(std::ostream &s, NSObject *obj) {
     return s << [[obj description] UTF8String];
 }
 
-#ifndef _LP64
-
-// In 64-bit code NSPoint == CGPoint, and CGPoint already has
-// an operator<< in vcl/inc/quartz/util.h
-
-static std::ostream &operator<<(std::ostream &s, NSPoint point) {
-    return s << NSStringFromPoint(point);
-}
-
-#endif
-
 @implementation AquaA11yWrapper : NSView
 
 #pragma mark -