Remove unused makefiles am: 2e59ddc8b1

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

Change-Id: I62ec4b8ebd29ad38537ed6dcdfb784ece9625804
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>