Remove QML Import versions and JASP.Widgets

Author: boutinb

inst/qml/Prophet.qml

@@ -1,8 +1,7 @@
-import QtQuick 			2.8
-import QtQuick.Layouts 	1.3
-import JASP.Controls 	1.0
-import JASP.Widgets 	1.0
-import JASP				1.0
+import QtQuick
+import QtQuick.Layouts
+import JASP.Controls
+import JASP
 
 Form
 {