Move cursorShape property out of HListView

The Timeline EventList is the only HListView that uses it. For other
list views, it interferes with items like text fields which need to set
cursor shape by themselves.

src/gui/Base/HListView.qml

@@ -6,7 +6,6 @@ import QtQuick.Controls 2.12
 ListView {
     id: listView
 
-    property alias cursorShape: cursorShapeArea.cursorShape
     property int currentItemHeight: currentItem ? currentItem.height : 0
 
     property var checked: ({})
@@ -130,12 +129,6 @@ ListView {
 
     onSelectedCountChanged: if (! selectedCount) lastCheckedDelegateIndex = 0
 
-    MouseArea {
-        id: cursorShapeArea
-        anchors.fill: parent
-        acceptedButtons: Qt.NoButton
-    }
-
     HKineticScrollingDisabler {
         width: enabled ? parent.width : 0
         height: enabled ? parent.height : 0