1.4.2: Revert "improve retryhelper to support mutating the thrown exception"
This reverts commit f98905cb18c45c9445c4a195a66d03574dd894a9. mutations can be performed by modifying the exception by reference in the catch callback
This reverts commit f98905cb18c45c9445c4a195a66d03574dd894a9. mutations can be performed by modifying the exception by reference in the catch callback