drm/amd/display: Remove old, misleading comment

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c

@@ -31,7 +31,6 @@
 
 #include "dce110/dce110_hw_sequencer.h"
 
-/* include DCE12.0 register header files */
 #include "vega10/DC/dce_12_0_offset.h"
 #include "vega10/DC/dce_12_0_sh_mask.h"
 #include "vega10/soc15ip.h"