Remove OptionalFromRequestParts impl for Query #5141

Job	Run time
cargo-hack	3m 24s
check-docs	16s
cargo-public-api-crates (axum)	39s
check	49s
cargo-public-api-crates (axum-core)	23s
cargo-public-api-crates (axum-extra)	36s
cargo-deny check (advisories)	26s
dependencies-are-sorted	14s
cargo-public-api-crates (axum-macros)	18s
Spell Check with Typos	4s
cargo-deny check (bans licenses sources)	28s
test-docs	1m 16s
test-versions (stable)	1m 59s
test-msrv	1m 56s
test-nightly	1m 23s
test-versions (beta)	1m 57s
armv5te-unknown-linux-musleabi	29s
wasm32-unknown-unknown	17s
	16m 54s

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