refactor: introduce abciGenesis interface (backport #17554) (#17575)

Co-authored-by: Marko <marbar3778@yahoo.com>

x/authz/module/module.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 
-	abci "github.com/cometbft/cometbft/abci/types"
 	gwruntime "github.com/grpc-ecosystem/grpc-gateway/runtime"
 	"github.com/spf13/cobra"
 
@@ -118,6 +117,7 @@ func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak authz.AccountKeeper,
 var (
 	_ appmodule.AppModule       = AppModule{}
 	_ appmodule.HasBeginBlocker = AppModule{}
+	_ module.HasGenesis         = AppModule{}
 )
 
 // IsOnePerModuleType implements the depinject.OnePerModuleType interface.
@@ -133,11 +133,10 @@ func (AppModule) Name() string {
 
 // InitGenesis performs genesis initialization for the authz module. It returns
 // no validator updates.
-func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
+func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) {
 	var genesisState authz.GenesisState
 	cdc.MustUnmarshalJSON(data, &genesisState)
 	am.keeper.InitGenesis(ctx, &genesisState)
-	return []abci.ValidatorUpdate{}
 }
 
 // ExportGenesis returns the exported genesis state as raw bytes for the authz