Remove third-party matches! implementation

Author: notriddle

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
 
 * chore: use `#[non_exhaustive]` instead of hidden variant for `UrlRelative` policy
+* chore: remove unnecessary dependency on third-party `matches!` macro
 
 # 3.1.3
 

Cargo.toml

@@ -15,7 +15,6 @@ edition = "2018"
 html5ever = "0.25"
 markup5ever_rcdom = "0.1"
 maplit = "1.0"
-matches = "0.1.6"
 tendril = "0.4"
 url = "2"
 lazy_static = "1.3"

src/lib.rs

@@ -34,7 +34,6 @@ use html5ever::{driver as html, local_name, namespace_url, ns, QualName};
 use lazy_static::lazy_static;
 use maplit::{hashmap, hashset};
 use markup5ever_rcdom::{Handle, NodeData, RcDom, SerializableHandle};
-use matches::matches;
 use std::borrow::{Borrow, Cow};
 use std::cmp::max;
 use std::collections::{HashMap, HashSet};