Removed incorrect type specifier on views
Removed incorrect type specifier on views

The challenge_id should always be passed in by its user facing identifier (the slug value) rather than by its database id value. The code with the int shouldn't even work, so it does not belong.
mvexel/maproulette,Crashfreak/maproulette,Crashfreak/maproulette,mvexel/maproulette,Crashfreak/maproulette,mvexel/maproulette,osmlab/maproulette,osmlab/maproulette,Crashfreak/maproulette,mvexel/mr-tnav,osmlab/maproulette,mvexel/mr-tnav,osmlab/maproulette,mvexel/maproulette