Simplify

src/freedombone-upgrade

 
 CURRENT_BRANCH=master
 
-# clear temporary files
-rm -rf /tmp/*
-
 # Is letsencrypt updating its certificates?
 # If yes then skip the upgrade to avoid any collisions
 if [ -f ~/temp_renewletsencrypt.txt ]; then
 fi
 
 # upgrading file prevents USB canary or other jobs from activating
-if [ ! -f /tmp/.upgrading ]; then
-    touch /tmp/.upgrading
-fi
+rm -rf /tmp/*
+touch /tmp/.upgrading
 
 if [ -f /usr/bin/backupdatabases ]; then
     if grep -q "cat /root/dbpass" /usr/bin/backupdatabases; then