Fix url - remove extra http

Author: apupier

org.moreunit.updatesite/category.xml

@@ -10,5 +10,5 @@
       <category name="org.moreunit"/>
    </feature>
    <category-def name="org.moreunit" label="MoreUnit"/>
-   <repository-reference location="http://https://download.jboss.org/jbosstools/photon/stable/updates/" enabled="true" />
+   <repository-reference location="https://download.jboss.org/jbosstools/photon/stable/updates/" enabled="true" />
 </site>