Don't install sphinx from distro

We don't generate docs in devstack. But also, sphinx depends on babel
which has a hard depend that breaks with setuptools 8. However, pip
installed babel/sphinx should not have this problem.

Change-Id: I84a82e56f6540724d50c6201a68c480ba7645add
diff --git a/files/debs/horizon b/files/debs/horizon
index 5d06928..f9b7d59 100644
--- a/files/debs/horizon
+++ b/files/debs/horizon
@@ -12,7 +12,6 @@
 pylint
 python-eventlet
 python-nose
-python-sphinx
 python-mox
 python-coverage
 python-cherrypy3 # why?
diff --git a/files/debs/ryu b/files/debs/ryu
index 9b85080..354c1b7 100644
--- a/files/debs/ryu
+++ b/files/debs/ryu
@@ -1,2 +1 @@
 python-eventlet
-python-sphinx
diff --git a/files/rpms-suse/horizon b/files/rpms-suse/horizon
index fa7e439..d1f378a 100644
--- a/files/rpms-suse/horizon
+++ b/files/rpms-suse/horizon
@@ -4,7 +4,6 @@
 python-Paste
 python-PasteDeploy
 python-Routes
-python-Sphinx
 python-SQLAlchemy
 python-WebOb
 python-anyjson
diff --git a/files/rpms-suse/ryu b/files/rpms-suse/ryu
index 6b426fb..354c1b7 100644
--- a/files/rpms-suse/ryu
+++ b/files/rpms-suse/ryu
@@ -1,2 +1 @@
-python-Sphinx
 python-eventlet
diff --git a/files/rpms/horizon b/files/rpms/horizon
index 1d06ac2..82385ed 100644
--- a/files/rpms/horizon
+++ b/files/rpms/horizon
@@ -15,7 +15,6 @@
 python-paste        #dist:f19,f20,f21
 python-paste-deploy #dist:f19,f20,f21
 python-routes
-python-sphinx
 python-sqlalchemy
 python-webob
 pyxattr
diff --git a/files/rpms/ryu b/files/rpms/ryu
index 9b85080..354c1b7 100644
--- a/files/rpms/ryu
+++ b/files/rpms/ryu
@@ -1,2 +1 @@
 python-eventlet
-python-sphinx