PYTHON-5544 [v4.15] Revert changes to base protocol layer #2872

Job	Run time
Make SDist	36s
Build wheels for manylinux_aarch64	11m 34s
Build wheels for manylinux_s390x	11m 53s
Build wheels for manylinux_x86_64	2m 31s
Build wheels for macos	5m 5s
Build wheels for win_amd6	4m 45s
Build wheels for win_arm64	6m 6s
Build wheels for manylinux_i686	2m 32s
Build wheels for win32	4m 58s
Build wheels for manylinux_ppc64le	10m 53s
Download Wheels	10s
	1h 1m 3s

Provide feedback