Removed third level menu of derivate

uitwww/navbar.json

@@ -12,48 +12,47 @@
     {
         "name": "Scopri Ubuntu",
         "endpoint": "pages.scopri-ubuntu_index",
-        "subs": [
-	    {
-		"name": "Derivate",
-		"endpoint": "pages.derivate_index",
-		"subs": [
-			{
-			    "name": "Kubuntu",
-			    "endpoint": "pages.derivate_kubuntu_index"
-			},
-			{
-			    "name": "Xubuntu",
-			    "endpoint": "pages.derivate_xubuntu_index"
-			},
-			{
-			    "name": "Lubuntu",
-			    "endpoint": "pages.derivate_lubuntu_index"
-			},
-			{
-			    "name": "Ubuntu GNOME",
-			    "endpoint": "pages.derivate_ubuntugnome_index"
-			},
-			{
-			    "name": "Ubuntu MATE",
-			    "endpoint": "pages.derivate_ubuntumate_index"
-			},
-			{
-			    "name": "Edubuntu",
-			    "endpoint": "pages.derivate_edubuntu_index"
-			},
-			{
-			    "name": "Ubuntu STUDIO",
-			    "endpoint": "pages.derivate_ubuntustudio_index"
-			},
-			{
-			    "name": "Mythbuntu",
-			    "endpoint": "pages.derivate_mythbuntu_index"
-			}
-		]
-	    }
-	]
+        "subs": []
     },
     {
+	"name": "Derivate",
+	"endpoint": "pages.derivate_index",
+	"subs": [
+		{
+		    "name": "Kubuntu",
+		    "endpoint": "pages.derivate_kubuntu_index"
+		},
+		{
+		    "name": "Xubuntu",
+		    "endpoint": "pages.derivate_xubuntu_index"
+		},
+		{
+		    "name": "Lubuntu",
+		    "endpoint": "pages.derivate_lubuntu_index"
+		},
+		{
+		    "name": "Ubuntu GNOME",
+		    "endpoint": "pages.derivate_ubuntugnome_index"
+		},
+		{
+		    "name": "Ubuntu MATE",
+		    "endpoint": "pages.derivate_ubuntumate_index"
+		},
+		{
+		    "name": "Edubuntu",
+		    "endpoint": "pages.derivate_edubuntu_index"
+		},
+		{
+		    "name": "Ubuntu STUDIO",
+		    "endpoint": "pages.derivate_ubuntustudio_index"
+		},
+		{
+		    "name": "Mythbuntu",
+		    "endpoint": "pages.derivate_mythbuntu_index"
+		}
+	]
+     },
+     {
         "name": "Supporto",
         "endpoint": "pages.supporto",
         "subs": [