100% banish submodules (use package manager)

Helps hexops/mach#902

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

.github/workflows/ci.yml

@@ -23,8 +23,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          submodules: 'recursive'
       - name: Setup Zig
         run: |
           sudo apt install xz-utils
@@ -54,8 +52,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          submodules: 'recursive'
       - name: Setup Zig
         run: |
           $ProgressPreference = 'SilentlyContinue'
@@ -73,8 +69,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          submodules: 'recursive'
       - name: Setup Zig
         run: |
           brew uninstall --ignore-dependencies libx11 # https://github.com/ziglang/zig/issues/11066

.github/workflows/m1_ci.yml

@@ -20,14 +20,8 @@ jobs:
       run:
         shell: '/usr/bin/arch -arch arm64e /bin/bash --noprofile --norc -eo pipefail {0}'
     steps:
-      - name: Clean repository submodules
-        # See https://github.com/actions/checkout/issues/385
-        run: |
-          rm -rf $GITHUB_WORKSPACE && mkdir $GITHUB_WORKSPACE
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          submodules: 'recursive'
       - name: test
         run: zig build test
       - name: build

.github/workflows/update_examples.yml

@@ -1,31 +0,0 @@
-name: Update examples
-on:
-  push:
-    branches:
-      - "main"
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-jobs:
-  publish:
-    if: github.repository_owner == 'hexops'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout hexops/mach-examples repo
-        uses: actions/checkout@v2
-        with:
-          repository: hexops/mach-examples
-          token: ${{ secrets.HEXOPS_MACH_PUSH_SUBREPOS }}
-          submodules: 'true'
-      - name: 'mach-examples: update mach submodule'
-        run: |
-          cd libs/mach
-          git checkout origin/main
-          cd ../../
-      - name: 'mach-examples: push submodule update'
-        run: |
-          git config user.name 'Release automation'
-          git config user.email 'stephen@hexops.com'
-          git add .
-          git commit -m 'libs: mach: update to latest main revision'
-          git push -u origin HEAD

README.md

@@ -17,9 +17,9 @@ Written in [Zig](https://ziglang.org/), Mach is for creating games, graphical ap
 ## Cross-platform graphics in ~60 seconds
 
 ```sh
-git clone --recursive https://github.com/hexops/mach-examples
+git clone https://github.com/hexops/mach-examples
 cd mach-examples/
-zig build run-core-boids
+zig build run-sprite2d
 ```
 
 Cross-platform graphics, a unified shader language & compute shaders.