abci: remove counter app (#6684)

* remove counter app

* remove unneeeded ci

* lint fix

* modify tx sizes

* cleanup docs

* Update abci/cmd/abci-cli/abci-cli.go

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

* Update docs/app-dev/getting-started.md

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

* Update docs/app-dev/getting-started.md

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

* bring back comment

* migrate to kvstore and not persistent

* remove unused func

* test persistent

Co-authored-by: Callum Waters <cmwaters19@gmail.com>

proxy/client.go

@@ -5,7 +5,6 @@ import (
 	"io"
 
 	abcicli "github.com/tendermint/tendermint/abci/client"
-	"github.com/tendermint/tendermint/abci/example/counter"
 	"github.com/tendermint/tendermint/abci/example/kvstore"
 	"github.com/tendermint/tendermint/abci/types"
 	tmsync "github.com/tendermint/tendermint/internal/libs/sync"
@@ -68,17 +67,13 @@ func (r *remoteClientCreator) NewABCIClient() (abcicli.Client, error) {
 }
 
 // DefaultClientCreator returns a default ClientCreator, which will create a
-// local client if addr is one of: 'counter', 'counter_serial', 'kvstore',
+// local client if addr is one of: 'kvstore',
 // 'persistent_kvstore' or 'noop', otherwise - a remote client.
 //
 // The Closer is a noop except for persistent_kvstore applications,
 // which will clean up the store.
 func DefaultClientCreator(addr, transport, dbDir string) (ClientCreator, io.Closer) {
 	switch addr {
-	case "counter":
-		return NewLocalClientCreator(counter.NewApplication(false)), noopCloser{}
-	case "counter_serial":
-		return NewLocalClientCreator(counter.NewApplication(true)), noopCloser{}
 	case "kvstore":
 		return NewLocalClientCreator(kvstore.NewApplication()), noopCloser{}
 	case "persistent_kvstore":