remove direct dep on event-stream: malisious version was unpublished

Author: matklad

editors/code/package-lock.json

@@ -31,7 +31,6 @@
         "singleQuote": true
     },
     "dependencies": {
-        "event-stream": "^4.0.1",
         "vscode-languageclient": "^5.1.1"
     },
     "devDependencies": {