Refactored scripts

src/user-data

@@ -41,19 +41,11 @@ apt:
 packages: ['torch-agent']
 
 runcmd:
-  # Disable optional PAM features for faster SSH login
-#  - 'mv /etc/pam.d/sshd /etc/pam.d/sshd.bak'
-#  - 'sed "s/^session[ \t]\+optional/#\0/" /etc/pam.d/sshd.bak > /etc/pam.d/sshd'
-
-  # Back up the SSH default config and activate the new config
-#  - 'mv /etc/ssh/sshd_config /etc/ssh/sshd_config.bak'
-#  - 'mv /etc/ssh/sshd_config.new /etc/ssh/sshd_config'
-#  - 'service ssh reload'
 
   # Multi-arch support on aarch64
   - 'dpkg --add-architecture armhf'
 
-  # Run optional script for additoinal package setup
+  # Run setup scripts
   - '/boot/firmware/cloud-init/initial-setup.sh'
   - '/boot/firmware/cloud-init/configure-torch.sh'
   - 'reboot now'