It actually does not override any method in svt::StatusbarController, so there
is no point in keeping it

(cherry picked from commit 83bf5a7b)

Conflicts:
	dbaccess/source/ui/control/makefile.mk
	dbaccess/source/ui/control/statusbarontroller.cxx
	dbaccess/source/ui/inc/statusbarontroller.hxx

Change-Id: Id6adc11c3a54f642ebdec9c6016996134908da71