Minor cleanup of dead UART2 code #816

	name: pr-size

	on:
	pull_request_target:
	branches: [ MK3, MK3_* ]

	env:
	TARGETS: "MK3S_MULTILANG MK3_MULTILANG"

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	pull-requests: write

	steps:

	# setup base required dependencies
	- name: Setup dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install cmake ninja-build python3-pyelftools python3-regex python3-polib

	# build the base branch
	- name: Checkout base
	uses: actions/checkout@v4

	- name: Cache Dependencies
	uses: actions/[email protected]
	id: cache-pkgs
	with:
	path: ".dependencies"
	key: "build-deps-1_0_0-linux"

	- name: Setup build dependencies
	run: \|
	./utils/bootstrap.py

	- name: Cache permissions
	run: sudo chmod -R 744 .dependencies

	- name: Build base
	run: \|
	rm -rf build-base
	mkdir build-base
	cd build-base
	cmake .. -DCMAKE_TOOLCHAIN_FILE="../cmake/AvrGcc.cmake" -DCMAKE_BUILD_TYPE=Release -G Ninja
	ninja $TARGETS

	# save pr-size for later use
	- name: Save base data
	run: \|
	cp -f ./.github/workflows/pr-size.sh build-base

	# build the PR branch
	- name: Checkout PR
	uses: actions/checkout@v4
	with:
	clean: false
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Build PR
	run: \|
	rm -rf build-pr
	mkdir build-pr
	cd build-pr
	cmake .. -DCMAKE_TOOLCHAIN_FILE="../cmake/AvrGcc.cmake" -DCMAKE_BUILD_TYPE=Release -G Ninja
	ninja $TARGETS

	# extract/show build differences
	- name: Calculate binary changes
	run: \|
	rm -rf build-changes
	./build-base/pr-size.sh build-changes build-base build-pr $TARGETS

	- name: Add PR Comment
	uses: mshick/add-pr-comment@v2
	with:
	message-path: build-changes

Provide feedback