Remove old workflow

.github/workflows/build.yml

@@ -1,28 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [ master ]
-
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    container: 
-      image: fmcore/flagbrew_compiler
-      credentials:
-        username: ${{ secrets.DHU }}
-        password: ${{ secrets.DHA }}
-
-    steps:
-      - name: "Clone"
-        run: git clone --recurse-submodules -j8 https://github.com/FlagBrew/Checkpoint.git
-      - name: "Build"
-        working-directory: "./Checkpoint"
-        run: |
-          make 3ds
-          zip -r Checkpoint.zip 3ds/out/Checkpoint.cia 3ds/out/Checkpoint.3dsx 3ds/out/Checkpoint.elf
-      - name: "Push"
-        working-directory: "./Checkpoint"
-        run: "curl -F 'cia=@3ds/out/Checkpoint.cia' -F 'zip=@Checkpoint.zip' -F '3dsx=@3ds/out/Checkpoint.3dsx' --header 'Upload-Secret: ${{ secrets.GHU }}' --header 'extensions: cia,zip,3dsx' --header 'app: Checkpoint' --header 'hash: ${{ github.sha }}' ${{ secrets.PURL }}"