Preinstall dovecot into images

src/freedombone-base-email

@@ -1278,8 +1278,6 @@ function configure_imap {
         return
     fi
 
-    dpkg -P dovecot-imapd
-    dpkg -P dovecot-core
     apt-get -yq install dovecot-imapd
 
     if [ ! -d /etc/dovecot ]; then