remove unused dependencies

Author: andygrove

Cargo.lock

@@ -35,25 +35,21 @@ substrait = ["dep:datafusion-substrait"]
 
 [dependencies]
 tokio = { version = "1.39", features = ["macros", "rt", "rt-multi-thread", "sync"] }
-rand = "0.8"
 pyo3 = { version = "0.22", features = ["extension-module", "abi3", "abi3-py38"] }
 arrow = { version = "53", features = ["pyarrow"] }
 datafusion = { version = "42.0.0", features = ["pyarrow", "avro", "unicode_expressions"] }
 datafusion-substrait = { version = "42.0.0", optional = true }
 datafusion-proto = { version = "42.0.0" }
 prost = "0.13" # keep in line with `datafusion-substrait`
-prost-types = "0.13" # keep in line with `datafusion-substrait`
 uuid = { version = "1.9", features = ["v4"] }
 mimalloc = { version = "0.1", optional = true, default-features = false, features = ["local_dynamic_tls"] }
 async-trait = "0.1"
 futures = "0.3"
 object_store = { version = "0.11.0", features = ["aws", "gcp", "azure", "http"] }
-parking_lot = "0.12"
-regex-syntax = "0.8"
-syn = "2.0.79"
 url = "2"
 
 [build-dependencies]
+prost-types = "0.13" # keep in line with `datafusion-substrait`
 pyo3-build-config = "0.22"
 
 [lib]