setup: Strip whitespace from description
setup: Strip whitespace from description

Avoid https://github.com/pypa/setuptools/issues/1390 causing a malformed
PKG-INFO file to be generated.

Signed-off-by: Philip Withnall <12d956b70be7f0d60e54e48e97a01dac38dce989@endlessos.org>

pwithnall/dbus-deviation,pwithnall/dbus-deviation,pwithnall/dbus-deviation