Revert "Fix raw_input issue for Python 2/3 compatible code."

This reverts commit 2d1e3b7981.

This update causes an import failure for the sw-patch CLI command,
as the "builtins" module is not currently part of the load.

Change-Id: I9f71f001dd36ccd769b888fbf45cba105e7bcde2
Closes-bug: 1790166

cgcs-patch/cgcs-patch/cgcs_patch/patch_client.py

@@ -5,7 +5,6 @@ SPDX-License-Identifier: Apache-2.0
 
 """
 
-from builtins import input
 import requests
 import json
 import os
@@ -601,7 +600,7 @@ def patch_commit_req(debug, args):
     print textwrap.fill(commit_warning, width=TERM_WIDTH, subsequent_indent=' ' * 9)
     print
 
-    user_input = input("Would you like to continue? [y/N]: ")
+    user_input = raw_input("Would you like to continue? [y/N]: ")
     if user_input.lower() != 'y':
         print "Aborting..."
         return 1

tox.ini

@@ -100,7 +100,6 @@ deps = {[testenv]deps}
        requests
        requests_toolbelt
        rpm
-       future
 basepython = python2.7
 commands = pylint {[testenv]cgcs_patch_src_dir}  \
                   {[testenv]patch_alarm_src_dir}  \