HV-1597 Allow overriding the constraint validator payload with null

Author: gsmet

engine/src/main/java/org/hibernate/validator/internal/engine/ValidatorFactoryImpl.java

@@ -891,12 +891,7 @@ public Builder setTraversableResolverResultCacheEnabled(boolean traversableResol
 			}
 
 			public Builder setConstraintValidatorPayload(Object constraintValidatorPayload) {
-				if ( constraintValidatorPayload == null ) {
-					this.constraintValidatorPayload = defaultContext.constraintValidatorPayload;
-				}
-				else {
-					this.constraintValidatorPayload = constraintValidatorPayload;
-				}
+				this.constraintValidatorPayload = constraintValidatorPayload;
 				return this;
 			}