drm_hwcomposer: Remove source_damage from DrmHwcLayer

We don't use it, so get rid of it.

Change-Id: I63fc6bd06c0bfd4e7ad8315856e8f2372133624e
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
diff --git a/drmhwcomposer.h b/drmhwcomposer.h
index d087873..ce5a04d 100644
--- a/drmhwcomposer.h
+++ b/drmhwcomposer.h
@@ -144,7 +144,6 @@
   uint8_t alpha = 0xff;
   DrmHwcRect<float> source_crop;
   DrmHwcRect<int> display_frame;
-  std::vector<DrmHwcRect<int>> source_damage;
 
   UniqueFd acquire_fence;
   OutputFd release_fence;