removed unnecessary modules

updated endpoints faq_kb importjson/exportjson (intentsOnly)
added tests for importjson/exportjson (intentsOnly)

Author: Giovanni Troisi

package-lock.json

@@ -38,7 +38,6 @@
   "dependencies": {
     "@tiledesk/tiledesk-apps": "^1.0.6",
     "@tiledesk/tiledesk-whatsapp-connector": "^0.1.19",
-    "@tiledesk/tiledesk-kaleyra-proxy": "^0.1.5",
     "@tiledesk/tiledesk-chat21-app": "^1.1.7",
     "@tiledesk/tiledesk-chatbot-util": "^0.8.33",
     "@tiledesk/tiledesk-json-rules-engine": "^4.0.3",