Remove description of exception handling from exception text (#3747)

An exception should describe the exception, not other associated
behaviour.

## Type of change

- Update to human readable text: Documentation/error messages/comments

Co-authored-by: Kevin Hunter Kesling <[email protected]>

parsl/executors/high_throughput/errors.py

@@ -27,7 +27,7 @@ def __init__(self, interchange_version: str, manager_version: str):
     def __str__(self) -> str:
         return (
             f"Manager version info {self.manager_version} does not match interchange"
-            f" version info {self.interchange_version}, causing a critical failure"
+            f" version info {self.interchange_version}"
         )