message: Update eosio.system-setabi-rc.md
  removed deprecated arbitration clauses
diff: # Action - `{{ setabi }}`
  -This Contract is legally binding and can be used in the event of a dispute.
  -
  ### Description
  The intention of the `{{ setabi }}` action is to...
  @@ -15,5 +13,3 @@ The `{{ setabi }}` action requires the following `inputs` and `input types`:
  | `{{ setabi }}` | `{{ accountVar }}`<br/>`{{ abiVar }}` | `{{ account_name }}`<br/>`{{ bytes }}` |
  As an authorized party I {{ signer }} wish to UNKNOWN
  -
  -All disputes arising from this contract shall be resolved in the EOS Core Arbitration Forum.
  