cocoa: fix crash

fixes #1323

Doesn't leak unless we switch video tracks on and off while in fullscreen.

video/out/cocoa_common.m

@@ -208,11 +208,6 @@ void vo_cocoa_uninit(struct vo *vo)
         enable_power_management(vo);
         cocoa_rm_fs_screen_profile_observer(vo);
 
-        // make sure we exit fullscreen before releasing stuff to make sure our
-        // events view retain count actually reaches 0
-        if (!s->embedded)
-            [(MpvEventsView *)s->view setFullScreen:NO];
-
         [s->gl_ctx release];
         [s->view removeFromSuperview];
         [s->view release];