gpu: host1x: Remove unused 'struct host1x_cmdbuf'

The struct host1x_cmdbuf is unused, let's remove it.

Signed-off-by: Dmitry Osipenko <[e-mail]>
Reviewed-by: Erik Faye-Lund <[e-mail]>
Reviewed-by: Mikko Perttunen <[e-mail]>
Signed-off-by: Thierry Reding <[e-mail]>

drivers/gpu/host1x/job.h

···
 	bool handled;
 };
 
-struct host1x_cmdbuf {
-	u32 handle;
-	u32 offset;
-	u32 words;
-	u32 pad;
-};
-
 struct host1x_job_unpin_data {
 	struct host1x_bo *bo;
 	struct sg_table *sgt;