try to make gh more like travis

.github/workflows/build.yml

@@ -44,24 +44,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - run: git clone --depth 1 --recurse-submodules=build-tools --recurse-submodules=toolchain --recurse-submodules=avr/libraries/ --jobs 16 --shallow-submodules git://github.com/keyboardio/Kaleidoscope-Bundle-Keyboardio $ARDUINO_DIRECTORIES_USER/hardware/keyboardio
-    - run: rm -rf ../hardware/keyboardio/avr/libraries/Kaleidoscope
-    - run: ln -s $(pwd) ../hardware/keyboardio/avr/libraries/Kaleidoscope
     - run: make shellcheck
   check-cpplint:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - run: git clone --depth 1 --recurse-submodules=build-tools --recurse-submodules=toolchain --recurse-submodules=avr/libraries/ --jobs 16 --shallow-submodules git://github.com/keyboardio/Kaleidoscope-Bundle-Keyboardio $ARDUINO_DIRECTORIES_USER/hardware/keyboardio
-    - run: rm -rf ../hardware/keyboardio/avr/libraries/Kaleidoscope
-    - run: ln -s $(pwd) ../hardware/keyboardio/avr/libraries/Kaleidoscope
-    # - run: make adjust-git-timestamps
     - run: make cpplint
   find-filename-conflicts:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - run: git clone --depth 1 --recurse-submodules=build-tools --recurse-submodules=toolchain --recurse-submodules=avr/libraries/ --jobs 16 --shallow-submodules git://github.com/keyboardio/Kaleidoscope-Bundle-Keyboardio $ARDUINO_DIRECTORIES_USER/hardware/keyboardio
-    - run: rm -rf ../hardware/keyboardio/avr/libraries/Kaleidoscope
-    - run: ln -s $(pwd) ../hardware/keyboardio/avr/libraries/Kaleidoscope
     - run: make find-filename-conflicts