cpu: remove legacy `usage_average` #158

	name: Build & Test

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable

	- name: Cache dependencies
	uses: Swatinem/rust-cache@v2

	- name: Run tests
	run: cargo test

	build:
	name: Build
	strategy:
	matrix:
	include:
	- os: ubuntu-latest
	target: x86_64-unknown-linux-gnu
	# TODO: eventually we'd like to gate certain features
	# behind target OS, at which point this may be usable.
	#- os: macos-latest
	# target: x86_64-apple-darwin
	#- os: windows-latest
	# target: x86_64-pc-windows-msvc

	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	targets: ${{ matrix.target }}

	- name: Cache dependencies
	uses: Swatinem/rust-cache@v2

	- name: Build
	run: cargo build --release --target ${{ matrix.target }}

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