DROP_SYNONYM wmi class in namespaces

DROP_SYNONYM in WMI namespaces

Class	namespace	Childs	Props	Meths	Ins	Insd	Abs	Sing
DROP_SYNONYM	0	17	0	-	-	✓	-

Class	namespace	Childs	Props	Meths	Ins	Insd	Abs	Sing
CREATE_SYNONYM	0	17	0	-	-	✓	-
DDL_SYNONYM_EVENTS	2	17	0	-	-	✓	-