Revert changes to url schemas that support `cls`, the 2x validation isn't worth it (and is breaking) #5285

Job	Run time
rust benchmarks	3m 0s
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter \|\| 'all' }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
build-wasm-emscripten	2m 39s
build sdist	21s
coverage	3m 9s
test-debug 3.13	1m 5s
lint	1m 13s
test-debug pypy3.10	1m 27s
test MSRV	2m 34s
test on ubuntu	2m 0s
test-pydantic-integration	1m 56s
test on macos	1m 42s
test 3.8	1m 48s
test on windows	4m 55s
test 3.9	1m 59s
test 3.10	1m 53s
test 3.11	1m 48s
test 3.12	2m 2s
test 3.13	1m 54s
test pypy3.9	2m 13s
test pypy3.10	2m 18s
test build on ${{ matrix.os }}	0s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
inspect-pypi-assets	0s
check	2s
release	0s
	41m 58s

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