fix: remove redundant ante handler (#819)

* remove redundant ante handler

They are already checked in EthValidateBasicDecorator

* changelog

CHANGELOG.md

@@ -47,6 +47,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (evm) [tharsis#826](https://github.com/tharsis/ethermint/issues/826) Improve allocation of bytes of `tx.To` address.
 * (evm) [tharsis#827](https://github.com/tharsis/ethermint/issues/827) Speed up creation of event logs by using the slice insertion idiom with indices.
+* (ante) [tharsis#819](https://github.com/tharsis/ethermint/pull/819) remove redundant ante handlers
 
 ### Bug Fixes
 

app/ante/ante.go

@@ -55,8 +55,6 @@ func NewAnteHandler(
 					anteHandler = sdk.ChainAnteDecorators(
 						NewEthSetUpContextDecorator(),                         // outermost AnteDecorator. SetUpContext must be called first
 						NewEthMempoolFeeDecorator(evmKeeper, feeMarketKeeper), // Check eth effective gas price against minimal-gas-prices
-						authante.NewTxTimeoutHeightDecorator(),
-						authante.NewValidateMemoDecorator(ak),
 						NewEthValidateBasicDecorator(evmKeeper),
 						NewEthSigVerificationDecorator(evmKeeper),
 						NewEthAccountVerificationDecorator(ak, bankKeeper, evmKeeper),