atomic: Strip GRUB1/EC2 bits

These don't work, because OSTree doesn't understand GRUB1 config
files.  We should focus on HVM.

fedora-cloud-atomic.ks

@@ -32,29 +32,6 @@ reboot
 
 %post --erroronfail
 
-# Create grub.conf for EC2. This used to be done by appliance creator but
-# anaconda doesn't do it. And, in case appliance-creator is used, we're
-# overriding it here so that both cases get the exact same file.
-# Note that the console line is different -- that's because EC2 provides
-# different virtual hardware, and this is a convenient way to act differently
-echo -n "Creating grub.conf for pvgrub"
-rootuuid=$( awk '$2=="/" { print $1 };'  /etc/fstab )
-mkdir /boot/grub
-echo -e 'default=0\ntimeout=0\n\n' > /boot/grub/grub.conf
-for kv in $( ls -1v /boot/vmlinuz* |grep -v rescue |sed s/.*vmlinuz-//  ); do
-  echo "title Fedora ($kv)" >> /boot/grub/grub.conf
-  echo -e "\troot (hd0,0)" >> /boot/grub/grub.conf
-  echo -e "\tkernel /boot/vmlinuz-$kv ro root=$rootuuid no_timer_check console=hvc0 LANG=en_US.UTF-8" >> /boot/grub/grub.conf
-  echo -e "\tinitrd /boot/initramfs-$kv.img" >> /boot/grub/grub.conf
-  echo
-done
-
-
-#link grub.conf to menu.lst for ec2 to work
-echo -n "Linking menu.lst to old-style grub.conf for pv-grub"
-ln -sf grub.conf /boot/grub/menu.lst
-ln -sf /boot/grub/grub.conf /etc/grub.conf
-
 # older versions of livecd-tools do not follow "rootpw --lock" line above
 # https://bugzilla.redhat.com/show_bug.cgi?id=964299
 passwd -l root