BUG: Fix regression in last commit
BUG: Fix regression in last commit

During merging of the last commit, a line was accidentally duplicated, leading to ctkMessageBox hang.
Fixed by removing the unnecessary line.

commontk/CTK,commontk/CTK,commontk/CTK,SINTEFMedtek/CTK,SINTEFMedtek/CTK,SINTEFMedtek/CTK,SINTEFMedtek/CTK,SINTEFMedtek/CTK,commontk/CTK