CLOUD: install the cloud-server-environment, dont't install firewalld

select the cloud-server-environment instead of the different groups.
don't install and uninstall firewalld since anaconda allows us to not need it

fedora-cloud-base.ks

@@ -39,18 +39,12 @@ reboot
 # Package list.
 %packages
 
-fedora-release-cloud
-
 kernel-core
-@core
-@cloud-server
+@cloud-server-environment
 
 # rescue mode generally isn't useful in the cloud context
 -dracut-config-rescue
 
-# Needed initially, but removed below.
-firewalld
-
 # Some things from @core we can do without in a minimal install
 -biosdevname
 -plymouth
@@ -115,11 +109,6 @@ echo .
 echo "Removing linux-firmware package."
 yum -C -y remove linux-firmware
 
-# Remove firewalld; was supposed to be optional in F18+, but is required to
-# be present for install/image building.
-echo "Removing firewalld."
-yum -C -y remove firewalld --setopt="clean_requirements_on_remove=1"
-
 # Another one needed at install time but not after that, and it pulls
 # in some unneeded deps (like, newt and slang)
 echo "Removing authconfig."