drm/radeon: remove defined but not used 'dte_data_tahiti_le'

Fix the following gcc warning:

drivers/gpu/drm/radeon/si_dpm.c:255:33: warning: ‘dte_data_tahiti_le’
defined but not used [-Wunused-const-variable=]
static const struct si_dte_data dte_data_tahiti_le =

Reported-by: Hulk Robot <[e-mail]>
Signed-off-by: Jason Yan <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/radeon/si_dpm.c

···
 	false
 };
 
-static const struct si_dte_data dte_data_tahiti_le =
-{
-	{ 0x1E8480, 0x7A1200, 0x2160EC0, 0x3938700, 0 },
-	{ 0x7D, 0x7D, 0x4E4, 0xB00, 0 },
-	0x5,
-	0xAFC8,
-	0x64,
-	0x32,
-	1,
-	0,
-	0x10,
-	{ 0x78, 0x7C, 0x82, 0x88, 0x8E, 0x94, 0x9A, 0xA0, 0xA6, 0xAC, 0xB0, 0xB4, 0xB8, 0xBC, 0xC0, 0xC4 },
-	{ 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700 },
-	{ 0x2AF8, 0x2AF8, 0x29BB, 0x27F9, 0x2637, 0x2475, 0x22B3, 0x20F1, 0x1F2F, 0x1D6D, 0x1734, 0x1414, 0x10F4, 0xDD4, 0xAB4, 0x794 },
-	85,
-	true
-};
-
 static const struct si_dte_data dte_data_tahiti_pro =
 {
 	{ 0x1E8480, 0x3D0900, 0x989680, 0x2625A00, 0x0 },