Disable retries by default in d1_client
Disable retries by default in d1_client

It's pretty rare that an immediate retry helps. Generally, one just gets the same error message 3 times, which is just confusing. Retries are still available, but they're opt-in instead of opt-out :)

DataONEorg/d1_python,DataONEorg/d1_python,DataONEorg/d1_python,DataONEorg/d1_python