Remove obsolete resource

Sadly, the plugin hasn’t worked for some time and is no longer under
active development.

editions/tw5.com/tiddlers/community/resources/TiddlyWiki 5 vis.js plug-in.tid

@@ -1,18 +0,0 @@
-created: 20140315085406905
-modified: 20140321084539183
-tags: Resources
-title: "TiddlyWiki 5 vis.js plug-in" by emkay
-type: text/vnd.tiddlywiki
-url: http://emkayonline.github.io/tw5visjs/
-
-A beautifully presented timeline widget using vis.js (http://visjs.org).
-
-Source: https://github.com/emkayonline/tw5visjs
-
-<<<
-This plug-in allows TW5 to display tiddlers using the vis.js graphical timeline and graph widgets.
-
-This plug-in has been testing on OS X with Safari, Chrome and Firefox, but should work under all operating systems and browser supported by TW5 and vis.js.
-
-Also, the plug-in has been designed to work off-line, enabling it to be used without a wireless connection on an iPad/iPhone using TWEdit
-<<<