Remove charlatan runtime dependency
Remove charlatan runtime dependency

Charlatan was removed in this commit
https://github.com/rom-rb/rom-rails/commit/2613a1ec64f34bf9bce98ceaacfecb1644d6da5e#diff-8d714453b1415ca9883197befff1600aL1

rom-rb/rom-rails,rom-rb/rom-rails