remove not necessary test if code completion box is visible.
remove not necessary test if code completion box is visible.

svn path=/trunk/kdelibs/kate/; revision=341325

jfmcarreira/kate,DickJ/kate,hlamer/kate,cmacq2/kate,cmacq2/kate,sandsmark/kate,hlamer/kate,DickJ/kate,sandsmark/kate,hlamer/kate,jfmcarreira/kate,sandsmark/kate,hlamer/kate,hlamer/kate,DickJ/kate,hlamer/kate,hlamer/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,sandsmark/kate,hlamer/kate,DickJ/kate,cmacq2/kate