ecore_drm2: remove flip test from commit path

We'll be doing tests as we build up plane state assignment.  it's too late
to do anything about it if we fail here - failed tests will block plane
assignment in the first place so the scene graph knows it still has to
render those visual elements.

src/lib/ecore_drm2/ecore_drm2_fb.c

@@ -490,10 +490,7 @@ ecore_drm2_fb_flip(Ecore_Drm2_Fb *fb, Ecore_Drm2_Output *output)
    if (!output->enabled) return -1;
 
    if (_ecore_drm2_use_atomic)
-     {
-        if (_fb_atomic_flip_test(output))
           ret = _fb_atomic_flip(output);
-     }
    else
      ret = _fb_flip(output, fb);