Delete github-projects.yml (#4923)

.github/workflows/github-projects.yml

@@ -1,21 +0,0 @@
-name: "Add To CCF Current Horizon GitHub project"
-# Using the Github action from https://github.com/actions/add-to-project
-
-on:
-  issues:
-    types:
-      - opened
-  pull_request_target:
-    types:
-      - opened
-
-jobs:
-  add-to-project:
-    name: Add issue to project
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/add-to-project@v0.4.0
-        with:
-          project-url: https://github.com/orgs/microsoft/projects/403
-          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}