improve less compilation

Author: pikock

app/js/services.js

@@ -80,14 +80,18 @@ angular.module('bootstrapVariablesEditor.services', []).
         var fonts = [];
     	for (var i = 0; i < $scope.variables.length; i++ ) {
 
-            for (var j = 0; j < $scope.variables[i].data.length; j++ ) {
-                // if type =  font, push it to an array 
-                if ($scope.variables[i].data[j].type == "font") {
-                    fonts.push($scope.variables[i].data[j].value);
-                };
-                variables[$scope.variables[i].data[j].key] = $scope.variables[i].data[j].value;
-            }   
-            
+            if (all == false && $scope.variables[i].name == "Private") {
+                $scope.variables.splice(i,1);
+            }else{
+                for (var j = 0; j < $scope.variables[i].data.length; j++ ) {
+                    // if type =  font, push it to an array 
+                    if ($scope.variables[i].data[j].type == "font") {
+                        fonts.push($scope.variables[i].data[j].value);
+                    };
+                    variables[$scope.variables[i].data[j].key] = $scope.variables[i].data[j].value;
+                }   
+            }
+
     	}
         return{
             variables: variables,