Remove usages of `cros_logging` module

This module provides nothing over the stdlib `logging` module and is
being deprecated & removed from chromite: Replace all usages with the
standard `logging` module.

BUG=b:191490453
TEST=None (unittests appear broken on tip-of-tree)

Change-Id: I5928756ac4d4a4a79ea0187accf5916ebeddf46f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/3076519
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Auto-Submit: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Congbin Guo <guocb@chromium.org>
Commit-Queue: Chris McDonald <cjmcdonald@chromium.org>
diff --git a/builder.py b/builder.py
index 4f22614..6b160fd 100644
--- a/builder.py
+++ b/builder.py
@@ -7,6 +7,7 @@
 
 from __future__ import print_function
 
+import logging
 import os
 import subprocess
 import tempfile
@@ -14,9 +15,6 @@
 import portage  # pylint: disable=import-error
 import cherrypy  # pylint: disable=import-error
 
-import setup_chromite  # pylint: disable=unused-import
-from chromite.lib import cros_logging as logging
-
 
 # Relative path to the wrapper directory inside the sysroot.
 _SYSROOT_BUILD_BIN = 'build/bin'