LibGfx: Remove declarations for non-existent methods

Author: https://github.com/AtkinsSJ
Commit: 6d5fb9eb02
Pull-request: https://github.com/SerenityOS/serenity/pull/17203
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibGfx/Font/FontDatabase.h

@@ -62,8 +62,6 @@ private:
     FontDatabase();
     ~FontDatabase() = default;
 
-    void load_fonts();
-
     RefPtr<Typeface> get_or_create_typeface(DeprecatedString const& family, DeprecatedString const& variant);
 
     struct Private;