Git commit: ae37972c added some logic at
the bottom to call Toolbox::SetItemImage to trigger the bitmap doubling
code. This is no longer needed and is faster without.

Change-Id: I0fb0538000d5616cb8d8a0ae35e15fb09cdf2c59
Reviewed-on: https://gerrit.libreoffice.org/54654Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>