drm/cma: Remove call to drm_gem_free_mmap_offset()
drm/cma: Remove call to drm_gem_free_mmap_offset()

drm_gem_object_release() called later in the drm_gem_cma_free_object()
function already calls this, so there's no need to do this explicitly.

Reviewed-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>
Signed-off-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs