Add/remove db using srvctl - oracle database script

--- SYNTAX FOR REMOVING DB SERVICE:  ---srvctl remove database -d db_unique_name [-f] [-y] [-v] e.g: srvctl remove database -d PRODB -f -y --- SYNTAX FOR ADDING DB SERVICE : -- srvctl add database -d db_unique_name -o ORACLE_HOME  [-p spfile] e.g: srvctl add database -d PRODB -o /u01/app/oracle/product/12.1.0.2/dbhome_1 -p +DATA/PRODDB/parameterfile/spfilePRODB.ora