Found module, use Use the Easy Install module to purge the active configuration without using devel or drushwithout using the Devel module or Drush. It works even if you have missed out the optional folder and the optional folder and enforced option in yourenforced
option in the module's configuration files (yml).
A module built to resolve and avoid the error "Unable to install already exists active configuration" when re installing/un installing the drupal 8 modules , it works even if the module's configs not contains enforced in yml and not added configs in optional folder. It purge the active configuration object of uninstalled modules and helps to remove configuration object while uninstalling a module without using Drush / Devel / Drupal Console / Features Modules.