Update README.md

README.md

@@ -35,10 +35,6 @@ http://www.sebaslab.com/the-truth-behind-inversion-of-control-part-iv-dependency
 
 http://www.sebaslab.com/the-truth-behind-inversion-of-control-part-v-drifting-away-from-ioc-containers/
 
-new article on optimizations:
-
-http://www.sebaslab.com/svelto-ecs-svelto-tasks-to-write-data-oriented-cache-friendly-multi-threaded-code-in-unity/
-
 Note: if you ever build something with Svelto.ECS that you can share with the community, please do and let me know. Other coders need more examples.
 
 Copyright (c) Sebastiano Mandalà