Remove unused dependencies (#3626)

Co-authored-by: Douwe Osinga <douwe@squareup.com>

crates/goose-bench/Cargo.toml

@@ -15,7 +15,6 @@ anyhow = "1.0"
 paste = "1.0"
 ctor = "0.2.7"
 goose = { path = "../goose" }
-mcp-core = { path = "../mcp-core" }
 rmcp = { workspace = true }
 async-trait = "0.1.86"
 chrono = { version = "0.4", features = ["serde"] }
@@ -27,7 +26,6 @@ tokio = { version = "1.43", features = ["full"] }
 include_dir = "0.7.4"
 once_cell = "1.19"
 regex = "1.11.1"
-toml = "0.8.20"
 dotenvy = "0.15.7"
 
 [target.'cfg(target_os = "windows")'.dependencies]