LibJS: Remove unused JS_{DECLARE,DEFINE}_NATIVE_{GETTER,SETTER} macros

Author: https://github.com/IdanHo
Commit: 3355b52cca
Pull-request: https://github.com/SerenityOS/serenity/pull/10543
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibJS/Forward.h

@@ -9,21 +9,9 @@
 #define JS_DECLARE_NATIVE_FUNCTION(name) \
     static JS::Value name(JS::VM&, JS::GlobalObject&)
 
-#define JS_DECLARE_NATIVE_GETTER(name) \
-    static JS::Value name(JS::VM&, JS::GlobalObject&)
-
-#define JS_DECLARE_NATIVE_SETTER(name) \
-    static void name(JS::VM&, JS::GlobalObject&, JS::Value)
-
 #define JS_DEFINE_NATIVE_FUNCTION(name) \
     JS::Value name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object)
 
-#define JS_DEFINE_NATIVE_GETTER(name) \
-    JS::Value name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object)
-
-#define JS_DEFINE_NATIVE_SETTER(name) \
-    void name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object, [[maybe_unused]] JS::Value value)
-
 // NOTE: Proxy is not included here as it doesn't have a prototype - m_proxy_constructor is initialized separately.
 #define JS_ENUMERATE_NATIVE_OBJECTS_EXCLUDING_TEMPLATES                                                                               \
     __JS_ENUMERATE(AggregateError, aggregate_error, AggregateErrorPrototype, AggregateErrorConstructor, void)                         \