remove unused deps

Signed-off-by: Bugen Zhao <[email protected]>

Author: BugenZhao

src/stream/Cargo.toml

@@ -41,7 +41,6 @@ memcomparable = "0.2"
 multimap = "0.10"
 parking_lot = { workspace = true }
 pin-project = "1"
-prehash = "1"
 prometheus = { version = "0.14", features = ["process"] }
 prost = { workspace = true }
 rand = { workspace = true }