drm/i915/dsb: Nuke the DSB debug

We'll be wanting to start the DSB from the vblank evasion critical
section so printk()s are a big nono. Get rid of the debug print.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230118163040.29808-8-ville.syrjala@linux.intel.comReviewed-by: Animesh Manna <animesh.manna@intel.com>

drivers/gpu/drm/i915/display/intel_dsb.c

@@ -249,11 +249,6 @@ void intel_dsb_commit(struct intel_dsb *dsb, bool wait_for_vblank)
 		       i915_ggtt_offset(dsb->vma));
 	intel_de_write(dev_priv, DSB_TAIL(pipe, dsb->id),
 		       i915_ggtt_offset(dsb->vma) + tail);
-
-	drm_dbg_kms(&dev_priv->drm,
-		    "DSB execution started - head 0x%x, tail 0x%x\n",
-		    i915_ggtt_offset(dsb->vma),
-		    i915_ggtt_offset(dsb->vma) + tail);
 }
 
 void intel_dsb_wait(struct intel_dsb *dsb)