Remove some unused dependencies from util.

components/util/Cargo.toml

@@ -30,7 +30,6 @@ git = "https://github.com/servo/ipc-channel"
 [dependencies]
 app_units = {version = "0.2.3", features = ["plugins"]}
 bitflags = "0.3"
-cssparser = {version = "0.5.4", features = ["heap_size", "serde-serialization"]}
 deque = "0.3.1"
 euclid = {version = "0.6.4", features = ["unstable", "plugins"]}
 getopts = "0.2.11"
@@ -42,13 +41,11 @@ log = "0.3.5"
 num_cpus = "0.2.2"
 rand = "0.3"
 rustc-serialize = "0.3"
-selectors = {version = "0.5", features = ["heap_size"]}
 serde = "0.7"
 serde_macros = "0.7"
 smallvec = "0.1"
 string_cache = {version = "0.2.11", features = ["heap_size"]}
 url = {version = "0.5.7", features = ["heap_size", "serde_serialization"]}
-uuid = "0.1.17"
 
 [target.x86_64-pc-windows-gnu.dependencies]
 kernel32-sys = "0.2"

components/util/lib.rs

@@ -2,7 +2,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#![feature(alloc)]
 #![feature(box_syntax)]
 #![feature(core_intrinsics)]
 #![feature(custom_derive)]
@@ -17,12 +16,9 @@
 
 #![deny(unsafe_code)]
 
-extern crate alloc;
 extern crate app_units;
 #[macro_use]
 extern crate bitflags;
-#[macro_use]
-extern crate cssparser;
 extern crate deque;
 extern crate euclid;
 extern crate getopts;
@@ -38,12 +34,10 @@ extern crate log;
 extern crate num_cpus;
 extern crate rand;
 extern crate rustc_serialize;
-extern crate selectors;
 extern crate serde;
 extern crate smallvec;
 extern crate string_cache;
 extern crate url;
-extern crate uuid;
 
 use std::sync::Arc;