Looks like the Windows specific code in ImplUpdateDisplayBmp is
not needed anymore and causes problems with OpenGL. The icons after
the change still seem to be drawn correctly with OpenGL enabled
or disabled.

Change-Id: I3ae1a0ceb947254aaadbc3d772f0d662b291b594
(cherry picked from commit c97ca26f)
Reviewed-on: https://gerrit.libreoffice.org/19346Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 15195fb8)