Remove unused dependency

Author: wooorm

package.json

@@ -39,7 +39,6 @@
   ],
   "dependencies": {
     "css-selector-parser": "^1.1.0",
-    "debug": "^3.1.0",
     "not": "^0.1.0",
     "nth-check": "^1.0.1",
     "unist-util-is": "^2.1.2",