Remove a dead link

README.md

@@ -27,7 +27,6 @@ _400 x 400 matrix multiplication (AMD A4-3300M @ 1.9 GHz, Windows 7)_
 * Play with the toy [Lisp interpreter](https://github.com/vtereshkov/umka-lang/blob/master/examples/lisp) written in Umka
 * Try the more realistic [C](https://github.com/vtereshkov/umka-lang/blob/master/examples/3dcam.c)+[Umka](https://github.com/vtereshkov/umka-lang/blob/master/examples/3dcam.um) embedded scripting example (_Note:_ [raylib](https://www.raylib.com) is required to compile and run it)
 * If you are familiar with Go, read about the [differences](https://github.com/vtereshkov/umka-lang/blob/master/README.md#umka-vs-go)
-* Look at the [language grammar](https://github.com/vtereshkov/umka-lang/blob/master/README.md#language-grammar) to better understand Umka capabilities
 
 _Raytracer example_