remove non used lolex test dependency

Author: vincentfretin

package.json

@@ -80,7 +80,6 @@
     "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sinon-chai": "^2.0.2",
-    "lolex": "^1.5.1",
     "markserv": "github:sukima/markserv#feature/fix-broken-websoketio-link",
     "minifyify": "^7.3.3",
     "mocha": "^10.0.0",