fix(plugin): Remove assert about the key length in ua_openssl_basic256sha256.c
fix(plugin): Remove assert about the key length in ua_openssl_basic256sha256.c

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