Removes WDPA import tables from schema
Removes WDPA import tables from schema

Apparently db:migrate includes all tables in the schema, even if they're
not in the migrations.

unepwcmc/ProtectedPlanet,unepwcmc/ProtectedPlanet,unepwcmc/ProtectedPlanet,unepwcmc/ProtectedPlanet,unepwcmc/ProtectedPlanet