remove warnings dep from various crates

packages/core/Cargo.toml

@@ -21,7 +21,6 @@ rustversion = { workspace = true }
 slab = { workspace = true }
 slotmap = { workspace = true }
 tracing = { workspace = true }
-warnings = { workspace = true }
 futures-util = { workspace = true, default-features = false, features = ["alloc", "std"] }
 serde = { workspace = true, optional = true, features = ["derive"] }
 subsecond = { workspace = true }