Revert "Optimize test_print.py to reduce its time to run"

This reverts commits
bc04009
d857958.

Signed-off-by: Ziheng Deng <zihengd@nvidia.com>

Author: gunnersdeng

docs/source/_ext/doctest_ext.py

@@ -31,7 +31,6 @@
 
 import ctypes
 import os
-import sys
 import re
 import tempfile
 import textwrap
@@ -47,7 +46,7 @@
 from sphinx.util import logging as sphinx_logging
 logger = sphinx_logging.getLogger(__name__)
 
-_libc = ctypes.CDLL('ucrtbase' if sys.platform == 'win32' else None)
+_libc = ctypes.CDLL(None)
 
 
 class _FdCaptureOut: