Remove unused OWNERS file

Empty OWNERS files are removed. The one from the parent directory
hardware/interfaces/drm/OWNERS is used instead.

Test: config only, lint verification
Bug: 304183921
Change-Id: I44fa88f219e05f0f750bd6c931dd7a8ab3a29058
diff --git a/drm/aidl/OWNERS b/drm/aidl/OWNERS
deleted file mode 100644
index e69de29..0000000
--- a/drm/aidl/OWNERS
+++ /dev/null
diff --git a/drm/aidl/vts/OWNERS b/drm/aidl/vts/OWNERS
deleted file mode 100644
index e69de29..0000000
--- a/drm/aidl/vts/OWNERS
+++ /dev/null