remove rand dep

Author: jayshrivastava

Cargo.lock

@@ -66,7 +66,6 @@ datafusion-proto-common = { workspace = true }
 object_store = { workspace = true }
 pbjson = { workspace = true, optional = true }
 prost = { workspace = true }
-rand = { workspace = true }
 serde = { version = "1.0", optional = true }
 serde_json = { workspace = true, optional = true }