remove all mentions of *productimg*

They were moved into the anaconda installclasses so those packages
no longer exist.

Signed-off-by: Dusty Mabe <dusty@dustymabe.com>

fedora-atomic.ks

@@ -41,7 +41,8 @@ services --enabled=sshd,cloud-init,cloud-init-local,cloud-config,cloud-final
 zerombr
 clearpart --all
 # Implement: https://pagure.io/atomic-wg/issue/281
-# The bare metal layout default is in http://pkgs.fedoraproject.org/cgit/rpms/fedora-productimg-atomic.git
+# The bare metal layout currently inherits from fedora server and is in
+# https://github.com/rhinstaller/anaconda/blob/master/pyanaconda/installclasses/fedora_atomic_host.py
 # However, the disk size is currently just 6GB for the cloud image (defined in pungi-fedora).  So the
 # "15GB, rest unallocated" model doesn't make sense.  The Vagrant box is 40GB (apparently a number of
 # Vagrant boxes come big and rely on thin provisioning).

fedora-python-classroom-gnome-common.ks

@@ -35,7 +35,6 @@ python3-pillow-tk
 
 # This is no longer workstation
 -@workstation-product
--fedora-productimg-workstation
 
 # Add a web browser
 @firefox

fedora-workstation-common.ks

@@ -20,9 +20,6 @@
 @printing
 @workstation-product
 
-# Branding for the installer
-fedora-productimg-workstation
-
 # Exclude unwanted packages from @anaconda-tools group
 -gfs2-utils
 -reiserfs-utils