pulled common upgrade parts for Mint and Ubuntu out to make install scripts not duplicate content

upgrade-script-common/delete-pkgs

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+apt-get -y purge modemmanager
+apt-get -y purge avahi-daemon
+apt-get -y purge speech-dispatcher
+apt-get -y autoremove