Clean up redundant code and stale comments from PR #11290 (#11301) #1804

Job	Run time
Linter	1m 10s
Generate llhttp sources	6s
Benchmark	8m 0s
Test (3.9, ubuntu, false)	4m 3s
Test (3.9, windows, false)	5m 31s
Test (3.9, macos, false)	4m 5s
Test (3.10, windows, false)	5m 27s
Test (3.10, ubuntu, false)	4m 14s
Test (3.9, Y, ubuntu, false)	5m 15s
Test (3.12, ubuntu, false)	5m 11s
Test (3.10, Y, ubuntu, false)	5m 22s
Test (3.12, Y, ubuntu, false)	5m 36s
Test (3.13.3, Y, ubuntu, false)	5m 52s
Test (3.11, Y, ubuntu, false)	5m 33s
Test (3.11, macos, false)	3m 45s
Test (3.12, macos, false)	3m 26s
Test (3.11, windows, false)	4m 55s
Test (3.11, ubuntu, false)	3m 53s
Test (3.13.3, windows, false)	6m 39s
Test (3.10, macos, false)	4m 12s
Test (3.13.3, macos, false)	3m 32s
Test (pypy-3.9, Y, ubuntu, false)	9m 20s
Test (3.13.3, ubuntu, false)	4m 34s
Test (3.12, windows, false)	5m 10s
check	2s
Pre-Deploy	-1s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }} ${{ matrix.musl }}	0s
Tarball	0s
Deploy	0s
	1h 54m 52s

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