Remove useless comments

The example is very simple

src/contents/ui/main.qml

@@ -1,17 +1,11 @@
-// Includes relevant modules used by the QML
 import QtQuick
 import QtQuick.Controls as Controls
 import QtQuick.Layouts
 import org.kde.kirigami as Kirigami
 
-// Provides basic features needed for all kirigami applications
 Kirigami.ApplicationWindow {
-    // Unique identifier to reference this object
     id: root
 
-    // Window title
-    // i18nc() makes a string translatable
-    // and provides additional context for the translators
     title: i18nc("@title:window", "Hello World")
 
     globalDrawer: Kirigami.GlobalDrawer {
@@ -30,7 +24,6 @@ Kirigami.ApplicationWindow {
         id: kountdownModel
     }
 
-    // Fetches item from addEditSheet.qml and does action on signal
     AddEditSheet {
         id: addEditSheet
         onAdded: kountdownModel.append({
@@ -46,7 +39,6 @@ Kirigami.ApplicationWindow {
         onRemoved: kountdownModel.remove(index, 1)
     }
 
-    // Function called by 'edit' button on card and by 'add'-Action
     function openPopulatedSheet(mode, index = -1, listName = "", listDesc = "", listDate = "") {
         addEditSheet.mode = mode
         addEditSheet.index = index;
@@ -57,8 +49,6 @@ Kirigami.ApplicationWindow {
         addEditSheet.open()
     }
 
-    // Set the first page that will be loaded when the app opens
-    // This can also be set to an id of a Kirigami.Page
     pageStack.initialPage: Kirigami.ScrollablePage {
         title: i18nc("@title", "Kountdown")
 
@@ -71,12 +61,9 @@ Kirigami.ApplicationWindow {
             }
         ]
 
-        // List view for card elements
         Kirigami.CardsListView {
             id: cardsView
-            // Model contains info to be displayed
             model: kountdownModel
-            // Delegate is how the information will be presented in the ListView
             delegate: KountdownDelegate {}
         }
     }