This stored procedure removes a secondary database and removes the local history and remote history.
Transact-SQL Syntax Conventions
sp_delete_log_shipping_secondary_database [ @secondary_database = ] 'secondary_database'
Is the name of the secondary database. secondary_database is sysname, with no default.
0 (success) or 1 (failure)
None.
sp_delete_log_shipping_secondary_database must be run from the master database on the secondary server.
Only members of the sysadmin fixed server role can run this procedure.