Removed link testing macro.

src/docs/asciidoc/jme3.adoc

@@ -4,7 +4,6 @@
 :revdate: 2016/03/17 20:48
 :keywords: documentation, intro, intermediate, about
 :experimental:
-:link-tut:
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]