ActionManager API cleanup.

d-pointer instead of inheritance
static methods

Change-Id: I7b2f0c8b05ad3951e1ff26a7d4e08e195d2dd258
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/coreplugin/actionmanager/commandmappings.cpp

@@ -33,9 +33,6 @@
 #include "commandmappings.h"
 #include "shortcutsettings.h"
 #include "ui_commandmappings.h"
-#include "actionmanager_p.h"
-#include "actionmanager/command.h"
-#include "command_p.h"
 #include "commandsfile.h"
 #include "coreconstants.h"
 #include "documentmanager.h"