Gate: Improve centos support

This PS updates the CentOS Gate.

Change-Id: Ic29b9e5949fb3fb3433802f7933208f3cabfef72

roles/deploy-docker/tasks/deploy-ansible-docker-support.yaml

@@ -23,17 +23,6 @@
 - name: fix docker removal issue with ansible's docker_container on centos
   when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'
   block:
-    - name: remove requests and urllib3 pip packages to fix docker removal issue with ansible's docker_container on centos
-      become: true
-      become_user: root
-      include_role:
-        name: deploy-package
-        tasks_from: pip
-      vars:
-        state: absent
-        packages:
-          - requests
-          - urllib3
     - name: remove requests and urllib3 distro packages to fix docker removal issue with ansible's docker_container on centos
       become: true
       become_user: root

tools/gate/devel/start.sh

@@ -56,7 +56,7 @@ function ansible_install {
   sudo -H -E pip install --no-cache-dir --upgrade pip
   sudo -H -E pip install --no-cache-dir --upgrade setuptools
   sudo -H -E pip install --no-cache-dir --upgrade pyopenssl
-  sudo -H -E pip install --no-cache-dir \
+  sudo -H -E pip install --no-cache-dir --upgrade \
     ansible \
     ara \
     yq