Delete the message from MMSD after processing

Signed-off-by: Kyle Evans <kvans32@gmail.com>
3 jobs for seek in 4 minutes and 13 seconds (queued for 2 seconds)
latest
Status Name Job ID Coverage
  Build
passed build-debian-gcc-buster #313259
librem5

00:00:45

 
  Package
passed package:deb-debian-buster #313260
librem5

00:00:58

passed package:deb-debian-buster:arm64 #313261
librem5:arm64

00:03:28