IETS3ExprEvalHelper: do not log re-thrown exceptions.

If the caller decides that the exception should be ignored, it should
not appear in the log file. Logging the exception should be left to the
caller.

Author: sergej-koscejev

CHANGELOG.md

@@ -20,3 +20,7 @@ The project does _not_ follow Semantic Versioning and the changes are documented
 - Tuples are now handled within the typesystem.
    Instead of allowing JoinTypes within tuples we merge different tuple types by JoinTypes.
 - Each subconcept of IValidNamedConcept can now contribute and customize naming constraints
+
+### Changed
+
+- `IETS3ExprEvalHelper` methods no longer log exceptions that they re-throw. Some callers may ignore exceptions thrown by the interpreter, and having them logged unnecessarily clutters the logs. It is now the caller's responsibility to log exceptions where needed.