Remove unused dependency from opt-dist

Author: Kobzol

src/tools/opt-dist/Cargo.toml

@@ -15,7 +15,6 @@ fs_extra = "1"
 camino = "1"
 tar = "0.4"
 xz = { version = "0.1", package = "xz2" }
-serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 glob = "0.3"
 tempfile = "3.5"