Revert "Quisbe Converter"

This reverts commit 55a0e2d7ea7bc1855e356a476ab1abba5cfeaa14.
Revert "Quisbe Model"

This reverts commit 56ef6affd177389a3fc503ec418ec1fbfca89e24.
Revert "Quisbe Manager"

This reverts commit 050d768a44f41b99372a6ee4bb4e4761b6f6343b.