Remove cloud dev e2e testing (#1484)

Author: mszostok

.github/actions/cloud-slack-e2e/action.yaml

@@ -212,37 +212,3 @@ jobs:
           SLACK_ICON_EMOJI: ':this-is-fine-fire:'
           SLACK_WEBHOOK: ${{ secrets.SLACK_CI_ALERTS_WEBHOOK }}
           SLACK_FOOTER: "Fingers crossed it's just an outdated/flaky test..."
-
-  cloud-slack-dev-e2e:
-    name: Botkube Cloud Slack Dev E2E
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: read
-    concurrency:
-      group: cloud-slack-dev-e2e
-      cancel-in-progress: false
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Run e2e tests
-        uses: ./.github/actions/cloud-slack-e2e
-        with:
-          access_token: ${{ secrets.E2E_TEST_GH_DEV_ACCOUNT_PAT }}
-
-          slack_workspace_name: ${{ secrets.E2E_DEV_SLACK_WORKSPACE_NAME }}
-          slack_email: ${{ secrets.E2E_DEV_SLACK_EMAIL }}
-          slack_password: ${{ secrets.E2E_DEV_SLACK_USER_PASSWORD }}
-          slack_bot_display_name: "BotkubeDev"
-          slack_tester_bot_token: ${{ secrets.E2E_DEV_SLACK_TESTER_BOT_TOKEN }}
-          slack_tester_bot_name: "botkubedev"
-
-          botkube_cloud_ui_base_url: "https://app-dev.botkube.io"
-          botkube_cloud_api_base_url: "https://api-dev.botkube.io"
-          botkube_cloud_email: ${{ secrets.E2E_DEV_BOTKUBE_CLOUD_EMAIL }}
-          botkube_cloud_password: ${{ secrets.E2E_DEV_BOTKUBE_CLOUD_PASSWORD }}
-          botkube_cloud_team_organization_id: ${{ secrets.E2E_DEV_BOTKUBE_CLOUD_TEAM_ORGANIZATION_ID }}
-
-          slack_token: ${{ secrets.SLACK_APP_TOKEN_FOR_CI_ALERTS }}
-
-          e2e_type: "DEV"