fix typos (#14)

Co-authored-by: Guoshuai Zhao <guzhao@microsoft.com>

superbench/benchmarks/registry.py

@@ -190,8 +190,7 @@ def launch_benchmark(cls, benchmark_context):
                     parameters = predefine_params + ' ' + parameters
 
                 benchmark = benchmark_class(benchmark_name, parameters)
-                ret = benchmark.run()
-                print('ret = {}'.format(ret))
+                benchmark.run()
 
         return benchmark
 

superbench/common/utils/logging.py

 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-"""SuperBench loggin module."""
+"""SuperBench logging module."""
 
 import socket
 import logging