Remove GitHub CI

we're on gitlab now lol

.github/workflows/build.yml

@@ -1,30 +0,0 @@
-name: Build
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-env:
-  CARGO_TERM_COLOR: always
-
-jobs:
-  build:
-    runs-on: self-hosted
-    steps:
-      - name: Checkout Repository And Submodules
-        uses: actions/checkout@v1
-        with:
-          submodules: recursive
-
-      - name: Setup Rust
-        run: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -q -y
-
-      - name: Build
-        run: . "$HOME/.cargo/env" && cargo build --verbose
-
-      - name: Run tests
-        run: . "$HOME/.cargo/env" && cargo test --verbose

.github/workflows/stale.yml

@@ -1,14 +0,0 @@
-name: 'Close stale issues and PRs'
-on:
-  schedule:
-    - cron: '30 1 * * *'
-
-jobs:
-  stale:
-    runs-on: debian-latest
-    steps:
-      - uses: actions/stale@v9
-        with:
-          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
-          days-before-stale: 10
-          days-before-close: 5