drm: drop unused "struct drm_queue"

	struct drm_prime_file_private prime;

};

/** Wait queue */

struct drm_queue {

	atomic_t use_count;		/**< Outstanding uses (+1) */

	atomic_t finalization;		/**< Finalization in progress */

	atomic_t block_count;		/**< Count of processes waiting */

	atomic_t block_read;		/**< Queue blocked for reads */

	wait_queue_head_t read_queue;	/**< Processes waiting on block_read */

	atomic_t block_write;		/**< Queue blocked for writes */

	wait_queue_head_t write_queue;	/**< Processes waiting on block_write */

	atomic_t total_queued;		/**< Total queued statistic */

	atomic_t total_flushed;		/**< Total flushes statistic */

	atomic_t total_locks;		/**< Total locks statistics */

	enum drm_ctx_flags flags;	/**< Context preserving and 2D-only */

	struct drm_waitlist waitlist;	/**< Pending buffers */

	wait_queue_head_t flush_queue;	/**< Processes waiting until flush */

};

/**

 * Lock data.

 */