Updated sublime_diagram_plugin to point to packages.json

repositories.json

@@ -468,7 +468,6 @@
 		"https://github.com/justinfx/MayaSublime",
 		"https://github.com/justinmahar/SublimeCSAutocompletePlus",
 		"https://github.com/justnorris/Sublime-Susy",
-		"https://github.com/jvantuyl/sublime_diagram_plugin",
 		"https://github.com/k0sukey/ST2-TitaniumDoc",
 		"https://github.com/kahi/sublime-django-click",
 		"https://github.com/karthikram/Rtools",
@@ -994,6 +993,7 @@
 		"https://raw.github.com/jfromaniello/sublime-unity-recents/master/packages.json",
 		"https://raw.github.com/joeyespo/sublimetext-console-exec/master/packages.json",
 		"https://raw.github.com/jpswelch/sublime-google-tasks/master/packages.json",
+		"https://raw.github.com/jvantuyl/sublime_diagram_plugin/master/packages.json",
 		"https://raw.github.com/kairyou/SublimeTmpl/master/packages.json",
 		"https://raw.github.com/Kaizhi/SublimeUpdater/master/packages.json",
 		"https://raw.github.com/kallepersson/Sublime-Finder/master/packages.json",