remove unused locale directory and i18n package.json script

Author: d0peCode

public/package.json

@@ -7,8 +7,7 @@
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e",
-    "int:extract": "ng xi18n --output-path ./locale"
+    "e2e": "ng e2e"
   },
   "private": true,
   "dependencies": {