remove layer meta-leda backports in favour of meta-lts-mixins #240

	# /********************************************************************************
	# * Copyright (c) 2022 Contributors to the Eclipse Foundation
	# *
	# * See the NOTICE file(s) distributed with this work for additional
	# * information regarding copyright ownership.
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	# * This program and the accompanying materials are made available under the
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	name: SDV Core
	on:
	pull_request:
	workflow_dispatch:

	jobs:
	leda-core:
	name: SDV Core
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Update apt
	run: sudo apt-get update -y
	- name: Install tools
	run: sudo apt-get install -y --no-install-recommends socat file gawk wget git diffstat unzip texinfo gcc build-essential chrpath socat cpio python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev pylint xterm python3-subunit mesa-common-dev zstd liblz4-tool python3-newt ca-certificates curl gnupg lsb-release
	- name: Install kas
	run: sudo pip3 install kas
	- name: Build SDV core components only (poky distro)
	run: kas build kas/.config-components.yaml:kas/mirrors.yaml

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