Updated _Sidebar (markdown)

_Sidebar.md

@@ -6,7 +6,6 @@
 * [raylib data structures](raylib-data-structures)
 * [raylib enumerated types](raylib-enumerated-types)
 * [raylib external dependencies](raylib-dependencies)
-* [raylib dependencies license](raylib-dependencies-license)
 * [raylib GLFW dependency](raylib-GLFW-dependency)
 * [raylib *libc* dependency](raylib-libc-dependency)
 * [raylib platforms and graphics](raylib-platforms-and-graphics)