...that appears to only be necessary for Clang <= 3.4, so no longer needed since
fa7b7f73 "Document that Clang 3.4.2 is known to
be too old"

Change-Id: I09361f6ffc23b8d20d65d3c84d9003719e2159f8
Reviewed-on: https://gerrit.libreoffice.org/46787Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>