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/libs/utils/pathchooser.h

@@ -50,7 +50,6 @@ class PathChooserPrivate;
 
 class QTCREATOR_UTILS_EXPORT PathChooser : public QWidget
 {
-    Q_DISABLE_COPY(PathChooser)
     Q_OBJECT
     Q_ENUMS(Kind)
     Q_PROPERTY(QString path READ path WRITE setPath DESIGNABLE true)