drm/vc4: Remove duplicated defines for GEN_6D registers

When adding the register definitions for the GEN_6D hardware, 6
defines managed to get added twice.

Remove that duplication.

Fixes: 3ca2940 ("drm/vc4: hvs: Add in support for 2712 D-step.")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

Author: 6by9

drivers/gpu/drm/vc4/vc4_regs.h

@@ -698,12 +698,6 @@
 #define SCALER6D_HISTBIN7			0x000000f0
 #define SCALER6D_HVS_ID				0x000000fc
 
-#define SCALER6D_DISP0_CTRL0			0x00000100
-#define SCALER6D_DISP0_CTRL1			0x00000104
-#define SCALER6D_DISP0_BGND			0x00000108
-#define SCALER6D_DISP0_LPTRS			0x00000110
-#define SCALER6D_DISP0_COB			0x00000114
-#define SCALER6D_DISP0_STATUS			0x00000118
 #define SCALER6D_DISP0_CTRL0			0x00000100
 #define SCALER6D_DISP0_CTRL1			0x00000104
 #define SCALER6D_DISP0_BGND0			0x00000108