fdo#63154 Remove old solar.h references

Remove some unused references in tools.
Change sal_uLong to sal_uInt32 in filter and vcl.

Change-Id: I92b928b980b2e7371edddfd74face10d5bec07df
Reviewed-on: https://gerrit.libreoffice.org/8480
Tested-by: LibreOffice gerrit bot <gerrit@libreoffice.org>
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>