Revert "Suppress -fcoroutines-ts deprecation warning" am: fe9066ae4e am: e74e33a93b am: f3bc72a0f1

Original change: https://android-review.googlesource.com/c/platform/external/libcxx/+/2464734

Change-Id: I7735f8db5c189c5991afbaa2303849290bbff633
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index 5191017..3868e27 100644
--- a/Android.bp
+++ b/Android.bp
@@ -191,10 +191,6 @@
             enabled: true,
         },
     },
-
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 cc_library_static {