chore: Remove Porter stack deployment workflows for cherry-pick-backend and cherry-pick-frontend (#2707)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

Co-authored-by: Stan Girard <stan@quivr.app>

.github/workflows/porter_stack_cherry-pick-backend.yml

@@ -1,28 +0,0 @@
-on:
-  push:
-    tags:
-      - "v*"
-name: Deploy to cherry-pick-backend
-jobs:
-  porter-deploy:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v3
-    - name: Set Github tag
-      id: vars
-      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
-    - name: Setup porter
-      uses: porter-dev/setup-porter@v0.1.0
-    - name: Deploy stack
-      timeout-minutes: 30
-      run: exec porter apply
-      env:
-        PORTER_CLUSTER: "3840"
-        PORTER_DEPLOYMENT_TARGET_ID: df878836-078f-431d-9305-6c3d61627254
-        PORTER_HOST: https://dashboard.getporter.dev
-        PORTER_PR_NUMBER: ${{ github.event.number }}
-        PORTER_PROJECT: "10983"
-        PORTER_STACK_NAME: cherry-pick-backend
-        PORTER_TAG: ${{ steps.vars.outputs.sha_short }}
-        PORTER_TOKEN: ${{ secrets.PORTER_STACK_10983_3840 }}

.github/workflows/porter_stack_cherry-pick-frontend.yml

@@ -1,28 +0,0 @@
-on:
-  push:
-    tags:
-      - "v*"
-name: Deploy to cherry-pick-frontend
-jobs:
-  porter-deploy:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v3
-    - name: Set Github tag
-      id: vars
-      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
-    - name: Setup porter
-      uses: porter-dev/setup-porter@v0.1.0
-    - name: Deploy stack
-      timeout-minutes: 30
-      run: exec porter apply
-      env:
-        PORTER_CLUSTER: "3840"
-        PORTER_DEPLOYMENT_TARGET_ID: df878836-078f-431d-9305-6c3d61627254
-        PORTER_HOST: https://dashboard.getporter.dev
-        PORTER_PR_NUMBER: ${{ github.event.number }}
-        PORTER_PROJECT: "10983"
-        PORTER_STACK_NAME: cherry-pick-frontend
-        PORTER_TAG: ${{ steps.vars.outputs.sha_short }}
-        PORTER_TOKEN: ${{ secrets.PORTER_STACK_10983_3840 }}