fix(callbacks/simapp): removed 'NewClientProposalHandler' (cosmos#4656)

modules/apps/callbacks/testing/simapp/app.go

@@ -122,9 +122,6 @@ import (
 	ibctransferkeeper "github.com/cosmos/ibc-go/v8/modules/apps/transfer/keeper"
 	ibctransfertypes "github.com/cosmos/ibc-go/v8/modules/apps/transfer/types"
 	ibc "github.com/cosmos/ibc-go/v8/modules/core"
-	ibcclient "github.com/cosmos/ibc-go/v8/modules/core/02-client"
-	ibcclientclient "github.com/cosmos/ibc-go/v8/modules/core/02-client/client"
-	ibcclienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
 	porttypes "github.com/cosmos/ibc-go/v8/modules/core/05-port/types"
 	ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
 	ibckeeper "github.com/cosmos/ibc-go/v8/modules/core/keeper"
@@ -423,8 +420,7 @@ func NewSimApp(
 	// See: https://docs.cosmos.network/main/modules/gov#proposal-messages
 	govRouter := govv1beta1.NewRouter()
 	govRouter.AddRoute(govtypes.RouterKey, govv1beta1.ProposalHandler).
-		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper)).
-		AddRoute(ibcclienttypes.RouterKey, ibcclient.NewClientProposalHandler(app.IBCKeeper.ClientKeeper))
+		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper))
 
 	govConfig := govtypes.DefaultConfig()
 	/*
@@ -631,8 +627,6 @@ func NewSimApp(
 			govtypes.ModuleName: gov.NewAppModuleBasic(
 				[]govclient.ProposalHandler{
 					paramsclient.ProposalHandler,
-					ibcclientclient.UpdateClientProposalHandler,
-					ibcclientclient.UpgradeProposalHandler,
 				},
 			),
 		})