QF210624-2 -- Fix nav for new UI (#523)

2nd attempt
https://issues.couchbase.com/browse/DOC-7767

Author: ibsoln

modules/ROOT/nav.adoc

@@ -29,7 +29,7 @@ include::ROOT:partial$_page-index.adoc[]
 :xref-cao-pg-clients-sgw: {xref-pfx-cao}{cao-pg-clients-sgw}[Expose Sync Gateway to Couchbase Lite clients]
 :xref-cao-pg-connect-sgw: xref:{xref-pfx-cao}{cao-pg-connect-sgw}[Connect Sync Gateway to a Couchbase Cluster]
 // Need a * {empty} line to force the .{topic} line to be output
-:force-display-of-empty-menu-group: {empty}
+:force-display-of-empty-menu-group}: {empty}
 
 // END::Local Attributes
 // END::Attributes and Inclusions
@@ -45,7 +45,7 @@ include::ROOT:partial$_page-index.adoc[]
 * {get-started-verify-install--xref}
 
 .{data-modeling--xref}
-* {force-display-of-empty-menu-group}
+* {empty}
 
 .Concepts
 * {xref-sgw-pg-users}
@@ -55,7 +55,7 @@ include::ROOT:partial$_page-index.adoc[]
 * {revisions--xref}
 
 .{configuration-properties--pfx}[Configuration]
-* {force-display-of-empty-menu-group}
+* {empty}
 
 .REST API
 * {rest-api-access--xref}
@@ -106,7 +106,7 @@ include::ROOT:partial$_page-index.adoc[]
 
 // Need a * {empty} line to force the .{topic} line to be output
 .{sgw--xref}{sgw-pg-upgrade}[Upgrade]
-* {force-display-of-empty-menu-group}
+* {empty}
 
 .Server Compatibility
 * {sgw--xref}{server-compatibility-collections--page}[Collections]
@@ -130,6 +130,6 @@ include::ROOT:partial$_page-index.adoc[]
 * {xref-sgw-pg-legacy-logging-pre2-1}
 
 .{xref-sgw-pg-refer-sgw-glossary}
-* {force-display-of-empty-menu-group}
+* {empty}
 
 // END::NAV MENU STRUCTURE