fix: Do not enable misleading hashbrown features

Author: lu-zero

Cargo.toml

@@ -13,7 +13,7 @@ std = ["serde/std", "serde_json/std", "serde_with/std", "time/std", "oxilangtag/
 alloc = ["serde/alloc", "serde_json/alloc", "serde_with/alloc", "time/alloc", "oxilangtag/alloc", "hashbrown/allocator-api2"]
 
 [dependencies]
-hashbrown = { version = "0.15.1", default-features = false, features = ["core", "serde", "default-hasher", "inline-more", "equivalent"] }
+hashbrown = { version = "0.15.1", default-features = false, features = ["serde", "default-hasher", "inline-more", "equivalent"] }
 oxilangtag = { version = "0.1.5", features = ["serialize"], default-features = false }
 serde = { version = "1.0.137", features = ["derive"], default-features = false }
 serde_json = { version = "1.0.81", default-features = false }