wip: remove tokio from physical plan dev deps

Author: matthewgapp

datafusion/physical-plan/Cargo.toml

@@ -63,11 +63,3 @@ tokio-stream = { version = "0.1.14" }
 [dev-dependencies]
 rstest = { workspace = true }
 termtree = "0.4.1"
-tokio = { version = "1.28", features = [
-    "macros",
-    "rt",
-    "rt-multi-thread",
-    "sync",
-    "fs",
-    "parking_lot",
-] }