Update README.md

Drop archived projects

Author: bcardiff

README.md

@@ -8,10 +8,7 @@ This organization hosts [Crystal](https://crystal-lang.org) extensions for vario
 
 ## See our projects:
 
-- [Scry](https://github.com/crystal-lang-tools/scry) - Code analysis server for Crystal
 - [VSCode Crystal](https://github.com/crystal-lang-tools/vscode-crystal-lang) - VSCode extension for Crystal Programming Language
 - [Sublime Crystal](https://github.com/crystal-lang-tools/sublime-crystal) - Crystal for Sublime Text
-- [Intellij Crystal](https://github.com/crystal-lang-tools/intellij-crystal-lang) - Intellij plugin for the Crystal Language
-- [Atom IDE Crystal](https://github.com/crystal-lang-tools/atom-ide-crystal) - Crystal IDE package for Atom using the Scry Language Server
 - [Emacs Crystal Mode](https://github.com/crystal-lang-tools/emacs-crystal-mode) - A minimal crystal mode for emacs, based on ruby-mode.
 - [Vim Crystal](https://github.com/rhysd/vim-crystal) - Vim filetype and tools support for Crystal language.