Remove library special casing from cocoa.

Author: jdm

cocoa/Cargo.toml

@@ -4,14 +4,10 @@ name = "cocoa"
 description = "Bindings to Cocoa for macOS"
 homepage = "https://github.com/servo/core-foundation-rs"
 repository = "https://github.com/servo/core-foundation-rs"
-version = "0.20.0"
+version = "0.20.1"
 authors = ["The Servo Project Developers"]
 license = "MIT / Apache-2.0"
 
-[lib]
-name = "cocoa"
-crate-type = ["rlib"]
-
 [dependencies]
 block = "0.1"
 bitflags = "1.0"