Use SaslAuthenticationFailedError in kafka.conn connection failure

Drop unused AuthenticationFailedError

Author: dpkp

Diff for: kafka/conn.py

@@ -813,7 +813,7 @@ def _sasl_authenticate(self, future):
             log.info('%s: %s', self, self._sasl_mechanism.auth_details())
             return future.success(True)
         else:
-            return future.failure(Errors.AuthenticationFailedError('Failed to authenticate via SASL %s' % self.config['sasl_mechanism']))
+            return future.failure(Errors.SaslAuthenticationFailedError('Failed to authenticate via SASL %s' % self.config['sasl_mechanism']))
 
     def blacked_out(self):
         """

Diff for: kafka/errors.py

@@ -85,10 +85,6 @@ class AuthenticationMethodNotSupported(KafkaError):
     pass
 
 
-class AuthenticationFailedError(KafkaError):
-    retriable = False
-
-
 class BrokerResponseError(KafkaError):
     errno = None
     message = None