0.7.1 pre-release cleanup

Author: maciejhirsz

Cargo.toml

@@ -6,7 +6,3 @@ description = "JSON implementation in Rust"
 repository = "https://github.com/maciejhirsz/json-rust"
 documentation = "http://terhix.com/doc/json/"
 license = "MIT"
-
-[dev-dependencies]
-serde = "*"
-serde_json = "*"