Resolves: #i124629# UNO Wizard - avoid crash by removing unneeded reference

(cherry picked from commit 6a820f13a5cadc3d6d8c7bac1e4042adcee379ac)

Conflicts:
	svtools/source/uno/wizard/wizardshell.cxx

Change-Id: I2d67451c6fb536149603777a84d9b73494b6ed84