Removes a missing function from ccloud create stack (#651)
Removes a missing function from ccloud create stack (#651)

When the utils/helper.sh was removed as a source for this file
this function no longer became available.
confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples