Revert "Temporary fix to enable requests to work"

Issue was fixed upstream so can be reverted

This reverts commit 29acf2234e.

Change-Id: I65dd36ba51b995ea0fac67784153f717252a4b9a

ansible/install/roles/browbeat/tasks/main.yml

@@ -95,16 +95,6 @@
     - heat-admin-id_rsa
   when: "(tripleo == true and (hosts_file_exists.stat.exists == false or hosts_file_exists.stat.isreg == false))"
 
-# Temporary fix until
-# https://github.com/requests/requests/issues/4830
-# is fixed upstream
-
-- name: Install urllib3
-  pip:
-    name: urllib3
-    version: 1.23
-    virtualenv: "{{ browbeat_venv }}"
-
 - name: Install requirements.txt into browbeat-venv
   pip:
     requirements: "{{ browbeat_path }}/requirements.txt"

ansible/install/roles/rally/tasks/main.yml

@@ -15,16 +15,6 @@
     line: 'export REQUESTS_CA_BUNDLE={{ overcloud_ca_path }}'
   when: overcloud_ca_path is defined
 
-# Temporary fix until
-# https://github.com/requests/requests/issues/4830
-# is fixed upstream
-
-- name: Install urllib3
-  pip:
-    name: urllib3
-    version: 1.23
-    virtualenv: "{{ rally_venv }}"
-
 - name: Install Rally with OpenStack plugins into rally-venv
   pip:
     name: rally-openstack