Remove GROUP_ID; not actively being used by apps.

Bug: 130744218
Test: none
Change-Id: I2917b84ffcc698d3cbffe7dfbd49c76b21c46515
diff --git a/api/removed.txt b/api/removed.txt
index 8836326..ab5e7e5 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -539,6 +539,7 @@
   }
 
   public static interface MediaStore.MediaColumns extends android.provider.BaseColumns {
+    field @Deprecated public static final String GROUP_ID = "group_id";
     field @Deprecated public static final String HASH = "_hash";
     field @Deprecated public static final String IS_TRASHED = "is_trashed";
     field @Deprecated public static final String PRIMARY_DIRECTORY = "primary_directory";