rm unused workspace.dependencies.memchr

Signed-off-by: Jiahao XU <30436523+NobodyXu@users.noreply.github.com>

Author: NobodyXu

Cargo.toml

@@ -13,7 +13,6 @@ edition = "2018"
 compression-codecs = { version = "0.4.29", path = "crates/compression-codecs" }
 compression-core = { version = "0.4.29", path = "crates/compression-core" }
 futures-core = { version = "0.3", default-features = false }
-memchr = "2"
 pin-project-lite = "0.2"
 
 [workspace.lints.rust]