jicofo: use a client proxy connection

jicofo/rootfs/etc/cont-init.d/10-config

@@ -1,13 +1,7 @@
 #!/usr/bin/with-contenv bash
 
-if [[ -z $JICOFO_COMPONENT_SECRET || -z $JICOFO_AUTH_PASSWORD ]]; then
-    echo 'FATAL ERROR: Jicofo component secret and auth password must be set'
-    exit 1
-fi
-
-OLD_JICOFO_COMPONENT_SECRET=s3cr37
-if [[ "$JICOFO_COMPONENT_SECRET" == "$OLD_JICOFO_COMPONENT_SECRET" ]]; then
-    echo 'FATAL ERROR: Jicofo component secret must be changed, check the README'
+if [[ -z $JICOFO_AUTH_PASSWORD ]]; then
+    echo 'FATAL ERROR: Jicofo auth password must be set'
     exit 1
 fi