gnome-platform: Drop unnecessary build-packages (#185)
gnome-platform: Drop unnecessary build-packages (#185)

Only gcc package is required to build the bindtextdomain preload
library, the others are redundant and make Snapcraft install a lot of
useless packages.

Signed-off-by: 林博仁(Buo-ren Lin) <e1a755dad2798d70422023dceee1245c3d6b4517@gmail.com>
ubuntu/snapcraft-desktop-helpers