Use trackler specifications in place of problems
Use trackler specifications in place of problems

This is a refactoring to support our new and improved choices for terminology for the
Exercism project.

See https://github.com/exercism/discussions/issues/145

RaptorRCX/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io