Merge "Remove urllib3/requests from requirements"

requirements.txt

@@ -3,12 +3,10 @@
 # process, which may cause wedges in the gate later.
 pyasn1!=0.2.3 # BSD
 pyOpenSSL>=0.14 # Apache-2.0
-requests>=2.14.2 # Apache-2.0
 ndg-httpsclient>=0.4.2;python_version<'3.0' # BSD
 netaddr!=0.7.16,>=0.7.13 # BSD
 PrettyTable<0.8,>=0.7.1 # BSD
 pycrypto>=2.6 # Public Domain
 python-memcached>=1.56 # PSF
 PyYAML>=3.10 # MIT
-urllib3>=1.21.1 # MIT
 virtualenv>=13.1.0 # MIT