moving websocket to own repo

removing websocket dependancy here, is handled in solid-crud itself

Author: ylebre

composer.json

@@ -32,9 +32,7 @@
         "pdsinterop/solid-auth": "dev-master",
         "pdsinterop/solid-crud": "dev-master",
         "php-http/httplug": "^2.1",
-        "phptal/phptal": "^1.4",
-        "cboden/ratchet": "^0.4",
-        "textalk/websocket": "^1.4"
+        "phptal/phptal": "^1.4"
     },
     "require-dev": {
         "phpunit/phpunit": "*"