CP-9795: Remove use of deprecated a4wide package

Replace use of the deprecated a4wide package with the geometry package
with equivalent settings.  The a4wide package is not available on some
systems.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Merge pull request #2048 from rosslagerwall/remove-a4wide

CP-9795: Remove use of deprecated a4wide package