Embedded ABIs cause issues when outputting Action objects

[aaroncox]

The ESR library is outputting the embedded ABIs in the payload by default, due to its half-implementation of the Antelope library and its own types. We need to make it so the ABIs that are embedded on actions are more private and not surfaced, and no longer needing removal int the ESR library as seen here:

https://github.com/greymass/eosio-signing-request/commit/566f443aa78afb49aa216ac37b3734bbd7530274