Benchmark's successful origin api update (#13146)

* try successful origin unimplemented by default

* error as a default impl for try_successful_origin

* remove successful_origin func of EnsureOrigin trait

* default impl -> unimplemented!()

* update EnsureOriginWithArg

* fix EnsureOriginWithArg

* prefix unused arg with underscore

* use try_successful_origin instead successful_origin, map err to Weightless

* fix tests

* remove default impl

* unwrap for indirect origin dep

* replace unwrap by expect with a message

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Co-authored-by: parity-processbot <>