drm/i915/gvt: cleanup some too chatty scheduler message

It's too chatty to have three places to tell us which one
is next vgpu for schedule. My log file was bloated to eat
all disk space..

Cc: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/sched_policy.c

@@ -150,9 +150,6 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt)
 		}
 	}
 
-	gvt_dbg_sched("switch to next vgpu %d\n",
-			scheduler->next_vgpu->id);
-
 	cur_time = ktime_get();
 	if (scheduler->current_vgpu) {
 		vgpu_data = scheduler->current_vgpu->sched_data;
@@ -224,17 +221,12 @@ static void tbs_sched_func(struct gvt_sched_data *sched_data)
 		list_del_init(&vgpu_data->lru_list);
 		list_add_tail(&vgpu_data->lru_list,
 				&sched_data->lru_runq_head);
-
-		gvt_dbg_sched("pick next vgpu %d\n", vgpu->id);
 	} else {
 		scheduler->next_vgpu = gvt->idle_vgpu;
 	}
 out:
-	if (scheduler->next_vgpu) {
-		gvt_dbg_sched("try to schedule next vgpu %d\n",
-				scheduler->next_vgpu->id);
+	if (scheduler->next_vgpu)
 		try_to_schedule_next_vgpu(gvt);
-	}
 }
 
 void intel_gvt_schedule(struct intel_gvt *gvt)