It's time to stop using travis, since they're abandoning open source

.travis.yml

@@ -1,53 +0,0 @@
-dist: focal
-arch: amd64
-language: c
-os:
-  - linux
-addons:
-  apt:
-    packages:
-      - shellcheck
-      - cmake
-      - astyle
-env:
-  global:
-  - LC_ALL: C
-  - CCACHE_WRAPPER_PATH: /tmp/kaleidoscope-ccache
-git:
-  quiet: true
-  depth: false
-before_install: 
-  - sh .travis/setup-ramdisk.sh
-  - ccache --set-config=compiler_check=content -M 1G -F 0
-
-install:
-  - cd $TRAVIS_BUILD_DIR
-  - 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 $TRAVIS_BUILD_DIR/.arduino/user/hardware/keyboardio
-## We delete the Bundle's version of Kaleidoscope, and symlink ourselves in.
-## This makes sure we're using the current version of the library.
-  - export KALEIDOSCOPE_TEMP_PATH=$TRAVIS_BUILD_DIR/.kaleidoscope-build-cache
-  - export KALEIDOSCOPE_ETC_DIR=$TRAVIS_BUILD_DIR/etc
-  - make adjust-git-timestamps
-  - make install-arduino-cli
-  - make configure-arduino-cli
-  - make install-arduino-core-avr
-jobs:
-  include:
-    - env: TEST_CMD="make -j 2 smoke-sketches"
-    - env: TEST_CMD="CCACHE_NOT_SUPPORTED=1 make simulator-tests"
-    - env: TEST_CMD="make cpplint"
-    - env: TEST_CMD="make find-filename-conflicts"
-    - env: TEST_CMD="make shellcheck"
-    - env: TEST_CMD="make check-astyle"
-script:
-  - unset CC
-  - eval $TEST_CMD
-notifications:
-  email:
-    on_success: change
-    on_failure: change
-cache:
-  apt: true
-  ccache: true
-  directories:
-    - .kaleidoscope-build-cache

.travis/setup-ramdisk.sh

@@ -1,16 +0,0 @@
-#!/bin/bash
-
-
-export BLDDIR=/home/travis/build
-
-df -h
-du -sh "$HOME"
-du -sh "$BLDDIR"
-sudo mv "$BLDDIR" "$BLDDIR.ori"
-sudo mkdir -p "$BLDDIR"
-sudo mount -t tmpfs -o size=8192m tmps "$BLDDIR"
-time sudo cp -R "$BLDDIR.ori/." "$BLDDIR"
-sudo chown -R travis:travis "$BLDDIR"
-df -h
-du -sh "$HOME"
-du -sh "$BLDDIR"