This PR drops redundant msg.Validate() calls in the ValidateDecided function, since it calls baseCommitValidationVerifySignature $\to$ baseCommitValidationIgnoreSignature $\to$ msg.Validate().
It also aligns the errors string in the decide duplicate signer test.
Overview
This PR drops redundant
msg.Validate()calls in theValidateDecidedfunction, since it callsbaseCommitValidationVerifySignature$\to$baseCommitValidationIgnoreSignature$\to$msg.Validate().It also aligns the errors string in the
decide duplicate signertest.