remove oslosphinx from test-requirements
Horizon uses the openstackdocstheme and doesn't need oslosphinx.
@@ -20,7 +20,6 @@ nosehtmloutput>=0.0.3 # Apache-2.0
nosexcover # BSD
openstack.nose-plugin>=0.7 # Apache-2.0
openstackdocstheme>=1.5.0 # Apache-2.0
-oslosphinx>=4.7.0 # Apache-2.0
reno!=2.3.1,>=1.8.0 # Apache-2.0
requests>=2.14.2 # Apache-2.0
selenium>=2.50.1 # Apache-2.0
