[How to] remove whole chassis cluster configuration from SRX

Here's some CLI commands to break chassis cluster:

1.  
> set chassis cluster cluster-id 0 node 0 reboot
> set chassis cluster cluster-id 0 node 1 reboot

2.
#load factory-default

#set system root-authentication plain-text-password

reference: http://www.juniper.net/techpubs/software/junos-security/junos-security96/junos-security-swconfig-security/cc_disabling.html