nl_tokens: unregister a system
pl_tokens: function ( user , systemId , cb ) { if ( ! _systems [ systemId ] ) { return cb ( ) ; } var newSystems = _ . clone ( _systems ) ; <mask> newSystems [ systemId ] ; fse . writeFileSync ( systemsJsonPath , JSON . stringify ( newSystems , null , 2 ) , 'utf8' ) ; _systems = newSystems ; git . commit ( sysRepoPath , 'unregistered system: ' + systemId , user . name , user . email , cb ) ; }