drm/i915/gvt: remove redundant platform check for mocs load/restore

The platform check is done outside, no need check again. Platform doesn't
include mocs should not invoke this two functions.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
1 file changed