Revert "ldpi: Updated camera background pattern"

Not needed anymore after change 7609

This reverts commit 8746a756edcd13acb9b5153fb2772ce4d05974ce.
diff --git a/overlay/ldpi/packages/apps/Camera/res/drawable-ldpi/bg_camera_pattern.png b/overlay/ldpi/packages/apps/Camera/res/drawable-ldpi/bg_camera_pattern.png
deleted file mode 100644
index ffe6710..0000000
--- a/overlay/ldpi/packages/apps/Camera/res/drawable-ldpi/bg_camera_pattern.png
+++ /dev/null
Binary files differ