Drop nose dependencies

Horizon test setting no longer depends on nose and related stuffs.
This commit cleans up nose related dependencies.

Also drops unnecessary Django dependencies. There is no need to
install Django explicitly as it is a horizon dependency.

Change-Id: I33091ef3c85ccff835f5995c668a9894454d182b

requirements.txt

@@ -3,9 +3,6 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-# Horizon Core Requirements
-Django<2.0,>=1.11 # BSD
-django-compressor>=2.0 # MIT
 iso8601>=0.1.11 # MIT
 python-mistralclient!=3.2.0,>=3.1.0 # Apache-2.0
 PyYAML>=3.12 # MIT

test-requirements.txt

@@ -7,14 +7,8 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 # Testing Requirements
 coverage!=4.4,>=4.0 # Apache-2.0
-django-nose>=1.4.4 # BSD
 mock>=2.0.0 # BSD
 nodeenv>=0.9.4 # BSD
-nose>=1.3.7 # LGPL
-nose-exclude>=0.3.0 # LGPL
-nosexcover>=1.0.10 # BSD
-openstack.nose-plugin>=0.7 # Apache-2.0
-nosehtmloutput>=0.0.3 # Apache-2.0
 selenium>=2.50.1 # Apache-2.0
 xvfbwrapper>=0.1.3 #license: MIT