style(server): Cosmetic simplification in server.h
style(server): Cosmetic simplification in server.h

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