Fix stout compilation error. (#158)

* Work

* Fixing issue of compilation

* Pushing a possible fix

* Reverting xcm-playground.toml

* Fixing chain id for HRMP channels

* Fixing some values

* Fixing xcm-playground

* Fixing README

* Fixing service

* Removing unnecesary ()

* coming back to two different collators

* Cleaning unnecesary setups

* Restoring XCM playground

* Adding chain values back