Revert "Merge pull request #3578 from davidhewitt/typed-helpers" #8250

Job	Run time
emscripten	0s
fmt	16s
check-msrv	9m 57s
semver-checks	2m 41s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }} rust-${{ matrix.rust }}	0s
careful	0s
clippy/x86_64-apple-darwin/stable	10m 30s
clippy/x86_64-unknown-linux-gnu/stable	7m 19s
coverage-windows	7s
test-debug	9m 49s
clippy/powerpc64le-unknown-linux-gnu/stable	6m 4s
coverage-macos	7s
docsrs	0s
clippy/s390x-unknown-linux-gnu/stable	6m 19s
coverage-ubuntu	11m 28s
clippy/wasm32-wasi/stable	6m 6s
valgrind	0s
clippy/x86_64-pc-windows-msvc/stable	10m 36s
clippy/i686-pc-windows-msvc/stable	10m 18s
clippy/x86_64-unknown-linux-gnu/beta	7m 10s
python3.12-x64 ubuntu-latest rust-stable / build	7m 42s
python3.12-x64 windows-latest rust-stable / build	11m 51s
python3.12-x86 windows-latest rust-stable / build	12m 4s
python3.12-x64 ubuntu-latest rust-nightly / build	7m 42s
python3.12-x64 macos-latest rust-stable / build	15m 3s
conclusion	3s
	2h 33m 12s

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