Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: I861d3f0fa15ee3b7e0e830c4fac2e5794ea4071b
Reviewed-on: https://gerrit.libreoffice.org/72213
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>