Remove unneeded defines.

Mostly Q_DISABLE_COPY that were covered by the un-copy-ability of the
respective base classes. Includes a few "stylistic" whitespace changes.

Change-Id: I31ca0e7bada5ed0f34776976efe22ddc444a5bf2
Reviewed-on: http://codereview.qt.nokia.com/1609
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qmljstools/qmljstoolsplugin.h

@@ -55,8 +55,8 @@ class ModelManager;
 
 class QmlJSToolsPlugin : public ExtensionSystem::IPlugin
 {
-    Q_DISABLE_COPY(QmlJSToolsPlugin)
     Q_OBJECT
+
 public:
     static QmlJSToolsPlugin *instance() { return m_instance; }