I was doing the aem smart tag configuration in AEM 6.3 instance with cq-6.3.0-featurepack-14410-0.28.zip feature pack. So after installing the cq-6.3.0-featurepack-14410-0.28.zip "AEM Smart Tag Assets Feature Flag" configurationis getting removed from system/console/configMgr.
Feature pack:
Configuration getting removed:
I am following the below link for smart tag configuration: