sokol_app.h gl: remove the NSOpenGLView.reshape handler

This was a hack/workaround for a size reporting problem in
NSOpenGLView when the requested window size was bigger than the
display size. It looks like this workaround is no longer needed
(and it also makes the last commit irrelevant)

sokol_app.h

@@ -3973,20 +3973,6 @@ _SOKOL_PRIVATE void _sapp_macos_frame(void) {
 
 @implementation _sapp_macos_view
 #if defined(SOKOL_GLCORE33)
-/* NOTE: this is a hack/fix when the initial window size has been clipped by
-    macOS because it didn't fit on the screen, in that case the
-    frame size of the window is reported wrong if low-dpi rendering
-    was requested (instead the high-dpi dimensions are returned)
-    until the window is resized for the first time.
-
-    Hooking into reshape and getting the frame dimensions seems to report
-    the correct dimensions.
-*/
-- (void)reshape {
-    [[self openGLContext] makeCurrentContext];
-    _sapp_macos_update_dimensions();
-    [super reshape];
-}
 - (void)timerFired:(id)sender {
     _SOKOL_UNUSED(sender);
     [self setNeedsDisplay:YES];