Remove epel-release / python-pip from role

These are dependencies our role requires. As such, they should be
installed by the user.

Change-Id: I736463187b3210ccada6b7c5f9202047ce6b0e86
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

README.rst

@@ -18,6 +18,8 @@ so that changes are only merged if they pass tests.
 Requirements
 ------------
 
+See `bindep.txt` for role dependencies.
+
 Packages
 ~~~~~~~~
 

bindep.txt

@@ -2,3 +2,4 @@
 # see http://docs.openstack.org/infra/bindep/ for additional information.
 
 libselinux-python [platform:rpm]
+python-pip

tasks/install.yaml

@@ -17,15 +17,6 @@
     zuul_build_depends: "{{ __zuul_build_depends | list }}"
   when: zuul_build_depends is not defined
 
-# NOTE(pabelanger): This needs to be here for now, since we need python-pip.
-- name: Ensure EPEL is enabled.
-  become: yes
-  package:
-    name: epel-release
-    state: installed
-  when: (zuul_install_method == 'git' or zuul_install_method == 'pip') and
-        ansible_os_family == 'RedHat'
-
 - name: Ensure build dependencies are installed.
   become: yes
   package:

vars/Debian.yaml

@@ -15,7 +15,6 @@
 __zuul_build_depends:
   - git
   - python-dev
-  - python-pip
 
 __zuul_file_zuul_service_config_dest: /etc/default/zuul
 __zuul_file_zuul_service_config_mode: "0644"

vars/RedHat.yaml

@@ -17,7 +17,6 @@ __zuul_build_depends:
   - gcc-c++
   - git
   - python-devel
-  - python-pip
 
 __zuul_file_zuul_service_config_dest: /etc/sysconfig/zuul
 __zuul_file_zuul_service_config_mode: "0644"