R4R: Remove AppInit (#2801)

* Remove AppInit
* Update PENDING.md

docs/examples/basecoin/cmd/basecoind/main.go

@@ -39,11 +39,9 @@ func main() {
 		PersistentPreRunE: server.PersistentPreRunEFn(ctx),
 	}
 
-	appInit := server.DefaultAppInit
-	rootCmd.AddCommand(InitCmd(ctx, cdc, appInit))
+	rootCmd.AddCommand(InitCmd(ctx, cdc))
 
-	server.AddCommands(ctx, cdc, rootCmd, appInit,
-		newApp, exportAppStateAndTMValidators)
+	server.AddCommands(ctx, cdc, rootCmd, newApp, exportAppStateAndTMValidators)
 
 	// prepare and add flags
 	rootDir := os.ExpandEnv("$HOME/.basecoind")
@@ -58,7 +56,7 @@ func main() {
 
 // get cmd to initialize all files for tendermint and application
 // nolint: errcheck
-func InitCmd(ctx *server.Context, cdc *codec.Codec, appInit server.AppInit) *cobra.Command {
+func InitCmd(ctx *server.Context, cdc *codec.Codec) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "init",
 		Short: "Initialize genesis config, priv-validator file, and p2p-node file",
@@ -84,7 +82,7 @@ func InitCmd(ctx *server.Context, cdc *codec.Codec, appInit server.AppInit) *cob
 				return err
 			}
 
-			appState, err := appInit.AppGenState(
+			appState, err := server.SimpleAppGenState(
 				cdc, tmtypes.GenesisDoc{}, []json.RawMessage{genTx})
 			if err != nil {
 				return err