drm/xe/uapi: Remove unused field of drm_xe_query_gt

We already have many bits reserved at the end already.
Let's kill the unused ones.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>

include/uapi/drm/xe_drm.h

@@ -352,8 +352,6 @@ struct drm_xe_query_gt {
 	__u16 gt_id;
 	/** @clock_freq: A clock frequency for timestamp */
 	__u32 clock_freq;
-	/** @features: Reserved for future information about GT features */
-	__u64 features;
 	/**
 	 * @native_mem_regions: Bit mask of instances from
 	 * drm_xe_query_mem_usage that lives on the same GPU/Tile and have