Remove trailing comma in package.json Causes grunt to fail on new filesystem creation.
Remove trailing comma in package.json
Causes grunt to fail on new filesystem creation.

google/chromeos-filesystems,google/chromeos-filesystems,sky7sea/chromeos-filesystems,n054/chromeos-filesystems,n054/chromeos-filesystems,saga64/chromeos-filesystems,saga64/chromeos-filesystems,sky7sea/chromeos-filesystems