Cargo.toml unused dependency cleanups

We can almost eliminate serde, but there are some metrics packages using
it, so it stays for now.

firewood/Cargo.toml

@@ -18,30 +18,23 @@ readme = "../README.md"
 [dependencies]
 aquamarine = "0.5.0"
 async-trait = "0.1.77"
-bytemuck = { version = "1.14.3", features = ["derive"] }
-enum-as-inner = "0.6.0"
 storage = { version = "0.0.4", path = "../storage" }
 futures = "0.3.30"
 hex = "0.4.3"
-lru = "0.12.2"
 metered = "0.9.0"
 nix = {version = "0.28.0", features = ["fs", "uio"]}
-parking_lot = "0.12.1"
-serde = { version = "1.0", features = ["derive"] }
+serde = { version = "1.0" }
 sha2 = "0.10.8"
 thiserror = "1.0.57"
 tokio = { version = "1.36.0", features = ["rt", "sync", "macros", "rt-multi-thread"] }
 typed-builder = "0.18.1"
 bincode = "1.3.3"
-bitflags = { version = "2.4.2", features = ["bytemuck"] }
-env_logger = { version = "0.11.2", optional = true }
 log = { version = "0.4.20", optional = true }
 test-case = "3.3.1"
-smallvec = { version = "1.13.2", features = ["serde", "write", "union"] }
 integer-encoding = "4.0.0"
 
 [features]
-logger = ["dep:env_logger", "log"]
+logger = ["log"]
 
 [dev-dependencies]
 criterion = {version = "0.5.1", features = ["async_tokio"]}