feat(ui/modules/Common/Form/ComboBox): remove `getFlattenedModel` function

linphone-desktop/ui/modules/Common/Form/ComboBox.js

@@ -25,8 +25,3 @@ function getEntryIcon () {
   var iconRole = comboBox.iconRole
   return (iconRole.length && item.flattenedModel[iconRole]) || ''
 }
-
-function getFlattenedModel () {
-  return comboBox.textRole.length &&
-    (typeof modelData !== 'undefined' ? modelData : model)
-}

linphone-desktop/ui/modules/Common/Form/ComboBox.qml

@@ -74,7 +74,8 @@ ComboBox {
   delegate: ItemDelegate {
     id: item
 
-    readonly property var flattenedModel: Logic.getFlattenedModel()
+    readonly property var flattenedModel: comboBox.textRole.length &&
+      (typeof modelData !== 'undefined' ? modelData : model)
 
     hoverEnabled: true
     width: comboBox.width