Remove all remaining leftovers from QQC1

It wasn't serving a purpose other than loading a whole other widgeting
style.

CMakeLists.txt

@@ -31,7 +31,7 @@ include(ECMQMLModules)
 ecm_find_qmlmodule(QtGraphicalEffects 1.0)
 ecm_find_qmlmodule(QtQml 2.2)
 ecm_find_qmlmodule(QtQuick 2.5)
-ecm_find_qmlmodule(QtQuick.Controls 1.2)
+ecm_find_qmlmodule(QtQuick.Controls 2.2)
 ecm_find_qmlmodule(QtQuick.Dialogs 1.0)
 ecm_find_qmlmodule(QtQuick.Layouts 1.1)
 ecm_find_qmlmodule(QtQuick.Window 2.2)

src/qml/DirectoryView.qml

@@ -18,7 +18,7 @@
 
 import QtQml 2.2
 import QtQuick 2.0
-import QtQuick.Controls 1.2
+import QtQuick.Controls 2.4
 import org.kde.kirigami 2.0 as Kirigami
 import org.kde.kamoso 3.0
 
@@ -92,7 +92,7 @@ GridView
                 right: parent.right
                 rightMargin: -width/3
             }
-            checkedState: Qt.Checked
+            checkState: Qt.Checked
             enabled: false
             visible: view.selection.indexOf(path.toString())>=0
         }

src/qml/ImagesView.qml

@@ -18,7 +18,6 @@
 
 import QtQml 2.2
 import QtQuick 2.0
-import QtQuick.Controls 1.2
 import QtQuick.Controls 2.0 as QQC2
 import QtQuick.Layouts 1.1
 import QtQuick.Dialogs 1.2
@@ -26,7 +25,7 @@ import org.kde.kamoso 3.0
 import org.kde.purpose 1.0
 import org.kde.kirigami 2.12 as Kirigami
 
-StackView {
+QQC2.StackView {
     id: stack
     property string mimeFilter
     property alias nameFilter: view.nameFilter
@@ -294,7 +293,7 @@ StackView {
                     visible: camerasCombo.visible
                 }
 
-                ComboBox {
+                QQC2.ComboBox {
                     id: camerasCombo
                     Layout.fillWidth: parent
                     model: devicesModel
@@ -305,7 +304,7 @@ StackView {
                     }
                 }
 
-                CheckBox {
+                QQC2.CheckBox {
                     Kirigami.FormData.label: i18n("Mirror camera")
                     checked: config.mirrored
                     onCheckedChanged: config.mirrored = checked

src/qml/Main.qml

@@ -17,7 +17,6 @@
  ************************************************************************************/
 
 import QtQuick 2.5
-import QtQuick.Controls 1.1
 import QtQuick.Controls 2.0 as QQC2
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.2