docs: remove graphql conf banner #395

Job	Run time
JavaScript (apollo-server)	1m 29s
JavaScript (express-graphql)	1m 34s
Docker (deno)	2m 13s
JavaScript (graph-client)	1m 21s
URL (thegraph, https://api.thegraph.com/subgraphs/name/sushiswap/exchange/graphql)	1m 22s
Docker (hotchocolate)	2m 29s
JavaScript (graphql-helix)	1m 28s
Docker (lighthouse)	2m 48s
JavaScript (graphql-yoga)	1m 30s
Docker (pioneer)	10m 22s
JavaScript (mercurius)	1m 26s
Docker (postgraphile)	2m 32s
Report	9s
	30m 43s

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