remove redundant check from test

internal/fac/extensions.go

@@ -25,7 +25,7 @@ func (e ErrorBadRegex) Error() string {
 // MatchAWSGroups will filter out the AWS groups that don't match the regex.
 // Returns an error on failure, a list of AWS groups that match on success.
 func MatchAWSGroups(awsGroups []*aws.Group, matchRegex string) ([]*aws.Group, error) {
-	if awsGroups == nil || len(awsGroups) == 0 {
+	if len(awsGroups) == 0 {
 		return nil, ErrNoAWSGroups
 	}