Merge pull request #272 from elegantiron/patch-1

Update README.md

README.md

@@ -364,7 +364,6 @@ A categorized community-driven collection of high-quality, awesome [LÖVE](http:
 * [Luvent](https://github.com/ejmr/Luvent) - Simple event-driven programming.
 * [nativefiledialog](https://github.com/Alloyed/nativefiledialog/tree/master/lua) - Open a file picker on Windows/Mac/Linux.
 * [nativefs](https://github.com/EngineerSmith/nativefs) - Read and write files outside of LÖVE's allowed paths.
-* [Optikon](https://optikon.co.uk/) - WYSIWYG visual level designer.
 * [ParticleEditor](https://github.com/MusouCrow/ParticleEditor) - An editor of particle for LÖVE.
 * [particle-system-playground](https://github.com/santoslove/particle-system-playground) - A basic LÖVE particle system editor.
 * [require.lua](https://github.com/premek/require.lua) - Require all files in a folder.