Drop usage of npm colors package (#7547)

Author: achamayou

js/ccf-app/package.json

@@ -23,7 +23,6 @@
     "@types/node": "^24.2.0",
     "@types/node-forge": "^1.0.0",
     "chai": "^6.0.1",
-    "colors": "1.4.0",
     "cross-env": "^10.0.0",
     "get-func-name": "3.0.0",
     "mocha": "^11.0.1",