Remove METADATA file

Bug: 380376695
Change-Id: I6e145326aac78b3474fdee97b8678ad0a6c6d77d
diff --git a/METADATA b/METADATA
deleted file mode 100644
index d97975c..0000000
--- a/METADATA
+++ /dev/null
@@ -1,3 +0,0 @@
-third_party {
-  license_type: NOTICE
-}