Remove Crossplane for now

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>

Author: tomkerkhove

public/index.html

@@ -364,7 +364,6 @@ <h1>Upcoming Implementations</h1>
 
         <p>A variety of parterns working on adding support for Open Application Model in their offerings:</p>
         <ul>
-          <li><b>Crossplane</b> - Manage your applications and infrastructure across clouds, regions, and clusters. (<a href="https://github.com/crossplaneio/crossplane/pull/1132">More Info</a>)</li>
           <li><b>Rainbond</b> - Enterprise application cloud operating system. (<a href="https://github.com/goodrain/rainbond/issues/616">More Info</a>)</li>
         </ul>
       </div>

themes/clean-landing/layouts/partials/implementations.html

@@ -80,7 +80,6 @@ <h1>Upcoming Implementations</h1>
 
         <p>A variety of parterns working on adding support for Open Application Model in their offerings:</p>
         <ul>
-          <li><b>Crossplane</b> - Manage your applications and infrastructure across clouds, regions, and clusters. (<a href="https://github.com/crossplaneio/crossplane/pull/1132">More Info</a>)</li>
           <li><b>Rainbond</b> - Enterprise application cloud operating system. (<a href="https://github.com/goodrain/rainbond/issues/616">More Info</a>)</li>
         </ul>
       </div>