Remove unused import

Author: YektaDev

oauth2-server-http4k/src/main/java/nl/myndocs/oauth2/http4k/request/Http4kCallContext.kt

@@ -1,6 +1,5 @@
 package nl.myndocs.oauth2.http4k.request
 
-import nl.myndocs.oauth2.authenticator.Credentials
 import nl.myndocs.oauth2.http4k.response.ResponseBuilder
 import nl.myndocs.oauth2.json.JsonMapper
 import nl.myndocs.oauth2.request.CallContext