Remove try/catch that is hiding errors
Remove try/catch that is hiding errors

The try/catch here was hiding timeouts fetching the test files. This
logic appears to be for handling a very old version of S3. They should
not be needed anymore.

Fixes duplicati/duplicati#4225

mnaiman/duplicati,mnaiman/duplicati,mnaiman/duplicati,duplicati/duplicati,duplicati/duplicati,mnaiman/duplicati,mnaiman/duplicati,duplicati/duplicati,duplicati/duplicati,duplicati/duplicati