Removes the `missing extern` test -- it had no relation to the plugin.
Removes the `missing extern` test -- it had no relation to the plugin.

Signed-off-by: Aaron Jacobs <94eb18a3f3d75b115c91915c9ebacc4dd15c8941@gmail.com>

PistonDevelopers/hematite_nbt,fenhl/hematite_nbt