remove no longer needed prebuilds action

.github/workflows/create-codespaces-prebuild.yml

@@ -1,40 +0,0 @@
-name: Create Codespaces Prebuild
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-jobs:
-  createPrebuild:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: github/codespaces-precache@v1.0.1
-        with:
-          regions: WestUs2
-          sku_name: standardLinux32gb
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  createPrebuildPpe:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: github/codespaces-precache@v1.0.1
-        with:
-          target: ppe
-          regions: WestUs2 SouthEastAsia
-          sku_name: standardLinux32gb
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  createPrebuildDev:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: github/codespaces-precache@v1.0.1
-        with:
-          target: development
-          regions: WestUs2
-          sku_name: standardLinux32gb
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-