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/cpptools/cpptoolsplugin.h

@@ -61,8 +61,8 @@ struct CppFileSettings;
 
 class CppToolsPlugin : public ExtensionSystem::IPlugin
 {
-    Q_DISABLE_COPY(CppToolsPlugin)
     Q_OBJECT
+
 public:
     CppToolsPlugin();
     ~CppToolsPlugin();