LibWeb: Spec-comment `parse_a_list_of_declarations()`

The `parse_as_list_of_declarations()` public method is unused and will
not be used by any user code so has been removed.

Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp

@@ -1965,18 +1965,16 @@ Optional<StyleDeclarationRule> Parser::parse_a_declaration(TokenStream<T>& token
     return {};
 }
 
-Vector<DeclarationOrAtRule> Parser::parse_as_list_of_declarations()
-{
-    return parse_a_list_of_declarations(m_token_stream);
-}
-
 // 5.3.8. Parse a list of declarations
 // https://www.w3.org/TR/css-syntax-3/#parse-list-of-declarations
 template<typename T>
 Vector<DeclarationOrAtRule> Parser::parse_a_list_of_declarations(TokenStream<T>& tokens)
 {
     // To parse a list of declarations from input:
+
     // 1. Normalize input, and set input to the result.
+    // Note: This is done when initializing the Parser.
+
     // 2. Consume a list of declarations from input, and return the result.
     return consume_a_list_of_declarations(tokens);
 }

Userland/Libraries/LibWeb/CSS/Parser/Parser.h

@@ -89,8 +89,6 @@ public:
     Parser(ParsingContext const&, StringView input, String const& encoding = "utf-8");
     ~Parser() = default;
 
-    // For the contents of a style attribute, which parses text into the contents of a single style rule.
-    Vector<DeclarationOrAtRule> parse_as_list_of_declarations();
     // For things that need to consume a single value, like the parsing rules for attr().
     Optional<StyleComponentValueRule> parse_as_component_value();
     // For the contents of presentational attributes, which parse text into a single declaration’s value, or for parsing a stand-alone selector [SELECT] or list of Media Queries [MEDIAQ], as in Selectors API or the media HTML attribute.
@@ -148,6 +146,8 @@ private:
     // "Parse a declaration" is used in @supports conditions. [CSS3-CONDITIONAL]
     template<typename T>
     Optional<StyleDeclarationRule> parse_a_declaration(TokenStream<T>&);
+
+    // "Parse a list of declarations" is for the contents of a style attribute, which parses text into the contents of a single style rule.
     template<typename T>
     Vector<DeclarationOrAtRule> parse_a_list_of_declarations(TokenStream<T>&);
     template<typename T>