MDL-43738 behat: Updating steps definitions and deprecating methods
MDL-43738 behat: Updating features files

The following used steps were replaced by the ones
added in this issue:
- I fill the moodle form with
- I fill in with
- I select from
- I select radio button
- I check
- I uncheck
- the field should match

Also removing test for deprecated steps:
- the ASD checkbox should be checked
- the ASD checkbox should not be checked
MDL-43738 behat: More info about how to get/set fields