https:// <firewall>/api/?key=<apikey>&type=config&action=delete&xpath=/config/devices/entry/vsys/entry/rulebase/security/rules/entry[@name='rule1']
https:// <firewall>/api/?key=<apikey>&type=config&action=delete&xpath=/config/devices/entry/vsys/entry[@name='vsys1']/address-group/entry[@name='test']/static/member[text()='abc']