Backed out changeset ebdc0738b1b5 for bug 3697

Eric Wasylishen

Unfortunately this commit seems to have broken exiting desktop-fullscreen.
- Launch testgl2.
- Press alt+enter to go fullscreen-desktop
- Press alt+enter again. The spinning cube will freeze, and the window stays fullscreen desktop.

src/video/cocoa/SDL_cocoawindow.m

@@ -674,7 +674,6 @@ SetWindowStyle(SDL_Window * window, NSUInteger style)
         pendingWindowOperation = PENDING_OPERATION_NONE;
         [self setFullscreenSpace:NO];
     } else {
-        SetWindowStyle(window, 0);
         if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
             [NSMenu setMenuBarVisible:NO];
         }