Android: Remove a few unnecessay Q_OBJECT

Change-Id: Ic57a7cfc58d741547cb793b24ff1358d900eaf5d
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/android/androidsdkmodel.h

@@ -15,7 +15,6 @@ class AndroidSdkManager;
 
 class AndroidSdkModel : public QAbstractItemModel
 {
-    Q_OBJECT
 public:
     enum PackageColumn {
         packageNameColumn = 0,
@@ -53,7 +52,6 @@ private:
     void clearContainers();
     void refreshData();
 
-private:
     const AndroidConfig &m_config;
     AndroidSdkManager *m_sdkManager;
     QList<const SdkPlatform *> m_sdkPlatforms;