style(core): Cosmetic simplifications in ua_types_encoding_json.c
style(core): Cosmetic simplifications in ua_types_encoding_json.c

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