Revert "Android: Handle some Qt deprecation related warnings"

This reverts commit a69ee57396.

Too early: QDomDocument::ParseResult was only introduced in Qt 6.5.

Change-Id: Ia2590a3f8ce5b9edec21b222d5c9211572563f97
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/android/androidmanifesteditorwidget.h

@@ -14,11 +14,14 @@
 QT_BEGIN_NAMESPACE
 class QCheckBox;
 class QDomDocument;
+class QDomElement;
 class QComboBox;
 class QPushButton;
 class QLabel;
 class QLineEdit;
 class QListView;
+class QSpinBox;
+class QToolButton;
 class QXmlStreamReader;
 class QXmlStreamWriter;
 QT_END_NAMESPACE
@@ -105,6 +108,9 @@ private:
     void syncToEditor();
     void updateAfterFileLoad();
 
+    bool checkDocument(const QDomDocument &doc, QString *errorMessage,
+                       int *errorLine, int *errorColumn);
+
     void updateInfoBar(const QString &errorMessage, int line, int column);
     void hideInfoBar();