simplify feed #365

Job	Run time
get-non-cloud-notebooks	4s
notebooks-except-cloud (docs/sphinx/source/getting-started-pyvespa.ipynb)	11m 38s
notebooks-except-cloud (docs/sphinx/source/reads-writes.ipynb)	6m 32s
notebooks-except-cloud (docs/sphinx/source/advanced-configuration.ipynb)	9m 9s
notebooks-except-cloud (docs/sphinx/source/examples/evaluating-with-snowflake-arctic-embed.ipynb)	7m 47s
notebooks-except-cloud (docs/sphinx/source/examples/lightgbm-with-categorical.ipynb)	17m 4s
notebooks-except-cloud (docs/sphinx/source/examples/pyvespa-examples.ipynb)	6m 47s
notebooks-except-cloud (docs/sphinx/source/examples/cross-encoders-for-global-reranking.ipynb)	5m 48s
notebooks-except-cloud (docs/sphinx/source/examples/multi-vector-indexing.ipynb)	5m 51s
notebooks-except-cloud (docs/sphinx/source/examples/feed_performance.ipynb)	12m 29s
notebooks-except-cloud (docs/sphinx/source/examples/lightgbm-with-categorical-mapping.ipynb)	7m 35s
notebooks-except-cloud (docs/sphinx/source/application-packages.ipynb)	6m 39s
notebooks-except-cloud (docs/sphinx/source/query.ipynb)	4m 23s
	1h 41m 46s

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