pk: Do not count as removal/installs packages taht get both removed and installed

It seems to be a thing on some distros, like Fedora.
2 jobs for !208 with work/pk-remove-an-install in 1 minute and 3 seconds (queued for 10 seconds)
detached
Status Name Job ID Coverage
  Build
passed freebsd_qt515 #167840
FreeBSD

00:00:44

passed suse_tumbleweed_qt515 #167839
Linux

00:00:59