chore(evm) - Delete deprecated store migrations

CHANGELOG.md

@@ -58,6 +58,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
+* (emv) [#1498](https://github.com/evmos/ethermint/pull/1498) Remove deprecated store migrations
 * (ante) [#1455](https://github.com/evmos/ethermint/pull/1455) Refactor `AnteHandler` logic
 * (evm) [#1444](https://github.com/evmos/ethermint/pull/1444) Improve performance of `eth_estimateGas`
 * (ante) [\#1388](https://github.com/evmos/ethermint/pull/1388) Optimize AnteHandler gas consumption

x/evm/keeper/migrations.go

@@ -1,11 +1,5 @@
 package keeper
 
-import (
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	v2 "github.com/evmos/ethermint/x/evm/migrations/v2"
-	v3 "github.com/evmos/ethermint/x/evm/migrations/v3"
-)
-
 // Migrator is a struct for handling in-place store migrations.
 type Migrator struct {
 	keeper Keeper
@@ -17,13 +11,3 @@ func NewMigrator(keeper Keeper) Migrator {
 		keeper: keeper,
 	}
 }
-
-// Migrate1to2 migrates the store from consensus version v1 to v2
-func (m Migrator) Migrate1to2(ctx sdk.Context) error {
-	return v2.MigrateStore(ctx, &m.keeper.paramSpace)
-}
-
-// Migrate2to3 migrates the store from consensus version v2 to v3
-func (m Migrator) Migrate2to3(ctx sdk.Context) error {
-	return v3.MigrateStore(ctx, &m.keeper.paramSpace)
-}