chore: remove unused local variables (#22340)

(cherry picked from commit 1515856)

# Conflicts:
#	store/cachekv/store_test.go

.golangci.yml

@@ -119,3 +119,5 @@ linters-settings:
       - regexpMust
       - appendAssign
       - ifElseChain
+  unused:
+    local-variables-are-used: false

simapp/export.go

@@ -216,7 +216,6 @@ func (app *SimApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []
 	// update bond intra-tx counters.
 	store := ctx.KVStore(app.GetKey(stakingtypes.StoreKey))
 	iter := storetypes.KVStoreReversePrefixIterator(store, stakingtypes.ValidatorsKey)
-	counter := int16(0)
 
 	for ; iter.Valid(); iter.Next() {
 		addr := sdk.ValAddress(stakingtypes.AddressFromValidatorsKey(iter.Key()))
@@ -238,7 +237,6 @@ func (app *SimApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []
 		if err = app.StakingKeeper.SetValidator(ctx, validator); err != nil {
 			panic(err)
 		}
-		counter++
 	}
 
 	if err := iter.Close(); err != nil {