[Bug 24999] repeated printer drivers on HPLIP

[Martin Pool]

Public bug report changed:
https://launchpad.net/malone/bugs/24999

Comment:
Also, if you run gnome-cups-manager from a terminal, you see many
messages complaining about this:

** (gnome-cups-manager:19854): WARNING **: Two ppds have driver == 'hpijs (recom mended)'
        ->hplip/HP-PSC_2210-hpijs.ppd (HP PSC 2210 Foomatic/hpijs[1]) and
        ->foomatic-ppds/hplip/HP-PSC_2210-hpijs.ppd (HP PSC 2210 Foomatic/hpijs) [1]

** (gnome-cups-manager:19854): WARNING **: Two ppds have driver == 'hpijs (recom mended)'
        ->hplip/HP-PSC_2300-hpijs.ppd (HP PSC 2300 Foomatic/hpijs[1]) and
        ->foomatic-ppds/hplip/HP-PSC_2300-hpijs.ppd (HP PSC 2300 Foomatic/hpijs) [1]

** (gnome-cups-manager:19854): WARNING **: Two ppds have driver == 'hpijs (recom mended)'
        ->hplip/HP-PSC_2350-hpijs.ppd (HP PSC 2350 Foomatic/hpijs[1]) and
        ->foomatic-ppds/hplip/HP-PSC_2350-hpijs.ppd (HP PSC 2350 Foomatic/hpijs) [1]