[REF] packaging: debian: remove unneeded recommanded dependencies

They were there since long time but to allow some obscure test
to run. As they don't bring anything let's just drop them.

debian/control

@@ -50,12 +50,8 @@ Depends:
 Conflicts: tinyerp-server, openerp-server, openerp-web, openerp
 Replaces: tinyerp-server, openerp-server, openerp-web, openerp
 Recommends:
- antiword,
- graphviz,
- ghostscript,
  postgresql,
  python-gevent,
- poppler-utils
 Description: Open Source Apps To Grow Your Business
  Odoo, formerly known as OpenERP, is a suite of open-source business apps
  written in Python and released under the LGPLv3 license. This suite of