refactor(*): remove unused cdefs #633

	name: Lint

	on:
	push:
	paths:
	- lib/**.lua
	pull_request:
	paths:
	- lib/**.lua

	jobs:
	tests:
	name: Lint
	runs-on: ubuntu-22.04

	steps:
	- name: Checkout source code
	uses: actions/checkout@v2
	- uses: Jayrgo/luacheck-action@v1
	name: luacheck
	with:
	# List of files, directories and rockspecs to check.
	# Default: .
	files: 'lib'

	# Path to configuration file.
	# Default: .luacheckrc
	config: '.luacheckrc'

	# Arguments passed to luacheck.
	# Default: -q
	args: '-q'

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