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>

.github/workflows/tests.yml

@@ -42,38 +42,6 @@ jobs:
           key: ${{ runner.os }}-${{ github.sha }}-tm-binary
         if: env.GIT_DIFF
 
-  test_abci_apps:
-    runs-on: ubuntu-latest
-    needs: build
-    timeout-minutes: 5
-    steps:
-      - uses: actions/setup-go@v2
-        with:
-          go-version: "1.16"
-      - uses: actions/checkout@v2.3.4
-      - uses: technote-space/get-diff-action@v4
-        with:
-          PATTERNS: |
-            **/**.go
-            go.mod
-            go.sum
-      - uses: actions/cache@v2.1.6
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
-        if: env.GIT_DIFF
-      - uses: actions/cache@v2.1.6
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-${{ github.sha }}-tm-binary
-        if: env.GIT_DIFF
-      - name: test_abci_apps
-        run: abci/tests/test_app/test.sh
-        shell: bash
-        if: env.GIT_DIFF
-
   test_abci_cli:
     runs-on: ubuntu-latest
     needs: build