drm/i915: Drop useless intel_dsb.h include

intel_crtc.c doens't need intel_dsb.h so don't include it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611133344.30673-10-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

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

@@ -24,7 +24,6 @@
 #include "intel_display_trace.h"
 #include "intel_display_types.h"
 #include "intel_drrs.h"
-#include "intel_dsb.h"
 #include "intel_dsi.h"
 #include "intel_fifo_underrun.h"
 #include "intel_pipe_crc.h"