contributions.adoc: TRyder no longer maintains jME-TTF

docs/modules/contributions/pages/contributions.adoc

@@ -44,7 +44,7 @@ follow these links to determine the version ID of the latest release.
 
 |https://1337atr.weebly.com/jttf.html[jME-TTF]
 |Render TrueType fonts
-|{url-forum-user}/TRyder[Tryder]
+|(none)
 |{url-bintray}/tryder/maven/jme-ttf[com.atr:jme-ttf]
 |{url-github}/ATryder/jME-TTF[GitHub]