Delete Porter Application porter-double (#4475)

Co-authored-by: porter-internal[bot] <108749831+porter-internal[bot]@users.noreply.github.com>

.github/workflows/porter_stack_porter-double.yml

@@ -1,36 +0,0 @@
-"on":
-  push:
-    branches:
-    - master
-name: Deploy to porter-double
-jobs:
-  build-go:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-      - name: build-go
-        uses: ./.github/actions/build-go
-
-  build-npm:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-      - name: build-npm
-        uses: ./.github/actions/build-npm
-  porter-deploy:
-      runs-on: ubuntu-latest
-      needs: [build-go, build-npm]
-      steps:
-        - name: Checkout code
-          uses: actions/checkout@v3
-        - name: porter-deploy
-          timeout-minutes: 30
-          uses: ./.github/actions/porter-deploy
-          with:
-            app: porter-double
-            cluster: "9"
-            host: https://dashboard.internal-tools.porter.run
-            project: "5"
-            token: ${{ secrets.PORTER_STACK_5_9 }}