drm/i915: remove duplicate include in mock_region.c

[Ran Jianping]

From: ran jianping <ran.jianping at zte.com.cn>

'drm/ttm/ttm_placement.h' included in
'drivers/gpu/drm/i915/selftests/mock_region.c' is duplicated.
It is also included on the 9 line.

Reported-by: Zeal Robot <zealci at zte.com.cn>
Signed-off-by: ran jianping <ran.jianping at zte.com.cn>
---
 drivers/gpu/drm/i915/selftests/mock_region.c | 2 --
 1 file changed, 2 deletion(-)

diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c
index efa86dffe3c6..b6747b3eeac5 100644
--- a/drivers/gpu/drm/i915/selftests/mock_region.c
+++ b/drivers/gpu/drm/i915/selftests/mock_region.c
@@ -6,7 +6,5 @@
 #include <drm/ttm/ttm_placement.h>
 #include <linux/scatterlist.h>
 
-#include <drm/ttm/ttm_placement.h>
- 
 #include "gem/i915_gem_region.h"
 #include "intel_memory_region.h"
-- 
2.25.1