Removed unnecessary DI extensions and service.yml files. Added admin controller auto-registration.
Removed unnecessary DI extensions and service.yml files. Added admin controller auto-registration.

WellCommerce/WellCommerce,diversantvlz/WellCommerce,WellCommerce/DataGrid,WellCommerce/WellCommerce,diversantvlz/WellCommerce,WellCommerce/WellCommerce,diversantvlz/WellCommerce