Remove unused makefiles am: 2e59ddc8b1 am: 599ccf6a5d

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Messaging/+/3037740

Change-Id: Ifa4f9f1bacdad3fe1232f975a6e8f3f4e13878d3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>