Update readme todo (remove trailing specifiers task)

Readme.md

@@ -687,7 +687,6 @@ Names or Content fields are interned strings and thus showed be cached using `ge
 # TODO
 
 * Implement a context stack for the parsing, allows for accurate scope validation for the AST types.
-* Trailing specifiers ( postfix ) for functions (const, override, final)
 * Make a more robust test suite.
 * Generate a single-header library
   * Componetize the library, make a metaprogram using gencpp to bootstrap itself.