fix(core): Replace deprecated _deleteMembers with _clear
fix(core): Replace deprecated _deleteMembers with _clear

JGrothoff/open62541,StalderT/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541,StalderT/open62541,open62541/open62541,StalderT/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541,StalderT/open62541,JGrothoff/open62541