Revert "docs: modernize py dependencies docs and example" #29202

Job	Run time
Check environment variables	20s
Build python source distribution	2m 27s
Build python wheels on for ubuntu-20.04	20m 43s
Prepare GCS	0s
Build python wheels on for ubuntu-20.04	26m 1s
Build python wheels on for ubuntu-20.04	23m 12s
Build python wheels on for ubuntu-20.04	23m 18s
Build python wheels on for ubuntu-20.04	17m 33s
Build python wheels on for macos-13	1m 19s
Build python wheels on for macos-13	55s
Build python wheels on for macos-13	57s
Build python wheels on for macos-13	55s
Build python wheels on for macos-13	3m 56s
Build python wheels on for windows-latest	33s
Build python wheels on for windows-latest	1m 10s
Build python wheels on for windows-latest	1m 11s
Build python wheels on for windows-latest	1m 13s
Build python wheels on for windows-latest	5m 55s
Upload python source distribution to GCS bucket	0s
Build python wheels on for ubuntu-20.04	1m 5s
Build python wheels on for ubuntu-20.04	1m 37s
Build python wheels on for ubuntu-20.04	1m 9s
Build python wheels on for ubuntu-20.04	1m 15s
Build python wheels on for ubuntu-20.04	47m 40s
Branch repo nightly	0s
Upload wheels to GCS bucket	0s
List files on Google Cloud Storage Bucket	0s
	3h 4m 24s

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