ci(kitchen): remove python*-pip installation

* Now available in pre-salted images

kitchen.yml

@@ -16,14 +16,12 @@ platforms:
     driver:
       image: netmanagers/salt-develop-py3:debian-9
       provision_command:
-        - apt-get update && apt-get install -y python3-pip
         - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
         - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
   - name: ubuntu-1804-develop-py3
     driver:
       image: netmanagers/salt-develop-py3:ubuntu-18.04
       provision_command:
-        - apt-get update && apt-get install -y python3-pip
         - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
         - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
   - name: centos-7-develop-py3
@@ -86,8 +84,6 @@ platforms:
   - name: opensuse-leap-42-2018-3-py2
     driver:
       image: netmanagers/salt-2018.3-py2:opensuse-leap-42
-      provision_command:
-        - zypper refresh && zypper install -y python-pip
       run_command: /usr/lib/systemd/systemd
 
   ## SALT 2017.7
@@ -107,8 +103,6 @@ platforms:
   - name: opensuse-leap-42-2017-7-py2
     driver:
       image: netmanagers/salt-2017.7-py2:opensuse-leap-42
-      provision_command:
-        - zypper refresh && zypper install -y python-pip
       run_command: /usr/lib/systemd/systemd
 
 provisioner: