Remove funcsigs, which is no longer used. am: c93c87abc9 Original change: https://android-review.googlesource.com/c/platform/external/python/funcsigs/+/2185742 Change-Id: Ia59e62b9f6d9e620cd38d46ea7dc67835a6aec76 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>