Remove remote-lfa from isis

As per request from EG

geant/gap_ansible/roles/base_config/templates/routers/nokia/router/isis.j2

@@ -15,10 +15,10 @@
         <timeout>300</timeout>
     </overload-on-boot>
     <loopfree-alternate>
-        <remote-lfa>
-            <node-protect>
-            </node-protect>
-        </remote-lfa>
+        {# <remote-lfa> #}
+        {#     <node-protect> #}
+        {#     </node-protect> #}
+        {# </remote-lfa> #}
         <ti-lfa>
             <node-protect>
             </node-protect>