refactor: revert auth extraction (backport #21507) (#21529)

Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: Julien Robert <julien@rbrt.fr>

.github/workflows/test.yml

@@ -1352,37 +1352,6 @@ jobs:
         with:
           projectBaseDir: x/staking/
 
-  test-x-auth:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.23"
-          check-latest: true
-          cache: true
-          cache-dependency-path: x/auth/go.sum
-      - uses: technote-space/get-diff-action@v6.1.2
-        id: git_diff
-        with:
-          PATTERNS: |
-            x/auth/**/*.go
-            x/auth/go.mod
-            x/auth/go.sum
-      - name: tests
-        if: env.GIT_DIFF
-        run: |
-          cd x/auth
-          go test -mod=readonly -timeout 30m -coverprofile=coverage.out -covermode=atomic -tags='norace ledger test_ledger_mock' ./...
-      - name: sonarcloud
-        if: ${{ env.GIT_DIFF && !github.event.pull_request.draft && env.SONAR_TOKEN != null }}
-        uses: SonarSource/sonarcloud-github-action@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        with:
-          projectBaseDir: x/auth/
-
   test-x-authz:
     runs-on: ubuntu-latest
     steps: