Remove unused definition. #1442

	name: Build Linux ARM64

	on: [push, pull_request]
	jobs:
	build_linux_arm64:
	runs-on: ubuntu-latest
	steps:
	- name: Install Dependencies
	run: \|
	sudo apt update
	sudo apt install qemu-user-static binfmt-support
	- name: Checkout
	uses: actions/checkout@v3
	with:
	submodules: recursive
	fetch-depth: 0
	- name: Build & Test
	uses: addnab/docker-run-action@v2
	with:
	image: jpd002/linux_arm64_build
	options: -v ${{ github.workspace }}:/work
	run: \|
	set -e
	apt-get update
	apt-get install -y libcurl4-openssl-dev libgl1-mesa-dev libglu1-mesa-dev libalut-dev libevdev-dev qt6-base-dev
	cd /work
	cd build_cmake
	mkdir build
	cd build
	cmake ../..
	make -j $(nproc)
	ctest -C Release

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