docs: Simplification of the DFtoVW tutorial #5952

Job	Run time
ubuntu-latest.amd64.py3.8.sdist-bundle	48s
manylinux.aarch64.py${{ matrix.config.version }}.build	0s
manylinux.amd64.py3.6.build	4m 10s
manylinux.amd64.py3.7.build	4m 8s
macos.amd64.py3.6.build	9m 47s
manylinux.amd64.py3.8.build	4m 13s
windows-2019.amd64.py3.6.build	13m 32s
macos.amd64.py3.7.build	9m 29s
manylinux.amd64.py3.9.build	4m 3s
windows-2019.amd64.py3.7.build	14m 56s
macos.amd64.py3.8.build	10m 15s
manylinux.amd64.py3.10.build	4m 0s
windows-2019.amd64.py3.8.build	15m 43s
macos.amd64.py3.9.build	10m 12s
windows-2019.amd64.py3.9.build	17m 30s
macos.amd64.py3.10.build	9m 44s
windows-2019.amd64.py3.10.build	17m 16s
manylinux.aarch64.py${{ matrix.config.version }}.test	0s
ubuntu-latest.amd64.py3.8.sdist-build-test	4m 49s
manylinux.amd64.py3.6.test	3m 11s
manylinux.amd64.py3.7.test	3m 12s
manylinux.amd64.py3.8.test	2m 38s
manylinux.amd64.py3.9.test	2m 50s
manylinux.amd64.py3.10.test	2m 36s
macos.amd64.py3.6.test	5m 17s
macos.amd64.py3.7.test	5m 35s
macos.amd64.py3.8.test	13m 8s
macos.amd64.py3.9.test	12m 45s
macos.amd64.py3.10.test	12m 55s
windows-2019.amd64.py3.6.test	7m 14s
windows-2019.amd64.py3.7.test	6m 52s
windows-2019.amd64.py3.8.test	6m 37s
windows-2019.amd64.py3.9.test	6m 25s
windows-2019.amd64.py3.10.test	6m 38s
	4h 12m 28s

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