ansible: Install the right pip
ansible: Install the right pip

The Ansible pip module seems to prefer pip2 to pip3. So simplify the
preparation step a bit. (the when: check is deprecated).

Signed-off-by: Fam Zheng <df9fd617995bad07eac70e27aa3fe5069270e3bd@redhat.com>
Message-Id: <20181031012856.30125-2-df9fd617995bad07eac70e27aa3fe5069270e3bd@redhat.com>
Signed-off-by: Fam Zheng <df9fd617995bad07eac70e27aa3fe5069270e3bd@redhat.com>

patchew-project/patchew,patchew-project/patchew,patchew-project/patchew,patchew-project/patchew