Merge pull request #72402 from kalexand-rh/4.15telco

removing telco 4.15 version

Author: kalexand-rh

_templates/_page_openshift.html.erb

@@ -254,7 +254,6 @@
               <%= distro %>
             </a>
             <select id="version-selector" onchange="versionSelector(this);">
-              <option value="4.15">4.15</option>
               <option value="4.14">4.14</option>
             </select>
         <% elsif (distro_key == "openshift-origin") %>