LibURL: Remove note about bare-boned URL host parsing

It's not so bare-boned any longer :^)

Userland/Libraries/LibURL/Parser.cpp

@@ -610,7 +610,6 @@ static ErrorOr<String> domain_to_ascii(StringView domain, bool be_strict)
 }
 
 // https://url.spec.whatwg.org/#concept-host-parser
-// NOTE: This is a very bare-bones implementation.
 static Optional<Host> parse_host(StringView input, bool is_opaque = false)
 {
     // 1. If input starts with U+005B ([), then: