video: ivybridge_igd: Fix compiler warning

Fix build warning in drivers/video/ivybridge_igd.c with gcc 7.3.0:

  warning: 'ivb_pm_gt2' defined but not used [-Wunused-const-variable=]

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

drivers/video/ivybridge_igd.c

@@ -128,62 +128,6 @@ static const struct gt_powermeter ivb_pm_gt1[] = {
 	{ 0 }
 };
 
-static const struct gt_powermeter ivb_pm_gt2[] = {
-	{ 0xa800, 0x10000000 },
-	{ 0xa804, 0x00033800 },
-	{ 0xa808, 0x00000902 },
-	{ 0xa80c, 0x0c002f00 },
-	{ 0xa810, 0x12000400 },
-	{ 0xa814, 0x00000000 },
-	{ 0xa818, 0x00d20800 },
-	{ 0xa81c, 0x00000002 },
-	{ 0xa820, 0x03004b02 },
-	{ 0xa824, 0x00000600 },
-	{ 0xa828, 0x07000773 },
-	{ 0xa82c, 0x00000000 },
-	{ 0xa830, 0x00010032 },
-	{ 0xa834, 0x1520040d },
-	{ 0xa838, 0x00020105 },
-	{ 0xa83c, 0x00083700 },
-	{ 0xa840, 0x0000151d },
-	{ 0xa844, 0x00000000 },
-	{ 0xa848, 0x20001b00 },
-	{ 0xa84c, 0x0a000010 },
-	{ 0xa850, 0x00000000 },
-	{ 0xa854, 0x00000008 },
-	{ 0xa858, 0x00000008 },
-	{ 0xa85c, 0x00000000 },
-	{ 0xa860, 0x00020000 },
-	{ 0xa248, 0x0000221e },
-	{ 0xa900, 0x00000000 },
-	{ 0xa904, 0x00003500 },
-	{ 0xa908, 0x00000000 },
-	{ 0xa90c, 0x0c000000 },
-	{ 0xa910, 0x12000500 },
-	{ 0xa914, 0x00000000 },
-	{ 0xa918, 0x00b20000 },
-	{ 0xa91c, 0x00000000 },
-	{ 0xa920, 0x08004b02 },
-	{ 0xa924, 0x00000200 },
-	{ 0xa928, 0x07000820 },
-	{ 0xa92c, 0x00000000 },
-	{ 0xa930, 0x00030000 },
-	{ 0xa934, 0x050f020d },
-	{ 0xa938, 0x00020300 },
-	{ 0xa93c, 0x00903900 },
-	{ 0xa940, 0x00000000 },
-	{ 0xa944, 0x00000000 },
-	{ 0xa948, 0x20001b00 },
-	{ 0xa94c, 0x0a000010 },
-	{ 0xa950, 0x00000000 },
-	{ 0xa954, 0x00000008 },
-	{ 0xa960, 0x00110000 },
-	{ 0xaa3c, 0x00003900 },
-	{ 0xaa54, 0x00000008 },
-	{ 0xaa60, 0x00110000 },
-	{ 0 }
-};
-
 static const struct gt_powermeter ivb_pm_gt2_17w[] = {
 	{ 0xa800, 0x20000000 },
 	{ 0xa804, 0x000e3800 },