remove redundant comments

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/session.py

@@ -107,7 +107,6 @@ def _create_backend(
             logger.debug("Creating Thrift backend client")
             databricks_client_class = ThriftDatabricksClient
 
-        # Prepare common arguments
         common_args = {
             "server_hostname": server_hostname,
             "port": self.port,
@@ -118,7 +117,6 @@ def _create_backend(
             "_use_arrow_native_complex_types": _use_arrow_native_complex_types,
             **kwargs,
         }
-
         return databricks_client_class(**common_args)
 
     def open(self):