Remove Pulp 2 installation link (#307)
Remove Pulp 2 installation link (#307)

As agreed at PulpCon
bmbouter/pulpproject.org,pulp/pulpproject.org,bmbouter/pulpproject.org,pulp/pulpproject.org,bmbouter/pulpproject.org,bmbouter/pulpproject.org,pulp/pulpproject.org,pulp/pulpproject.org