chore(example): remove unused import
import json
import os
from ibm_watson import VisualRecognitionV4
-from ibm_watson.visual_recognition_v4 import AnalyzeEnums, FileWithMetadata, BaseObject, Location
+from ibm_watson.visual_recognition_v4 import FileWithMetadata, BaseObject, Location
from ibm_cloud_sdk_core.authenticators import IAMAuthenticator
authenticator = IAMAuthenticator('<your api key>')
