Simplify the cmd/config ext package

cmd/config/ext/ext.go

@@ -3,22 +3,8 @@
 
 package ext
 
-import (
-	"path/filepath"
-)
-
-// GetOpenAPIFile returns the path to the file containing supplementary OpenAPI definitions.
-// Maybe be overridden to configure which file to read OpenAPI definitions from.
-var GetOpenAPIFile = func(args []string) (string, error) {
-	return filepath.Join(args[0], "Krmfile"), nil
-}
-
-// OpenAPIFileName returns the name of the file with openAPI definitions
-// uses OpenAPIFile function to derive it
-func OpenAPIFileName() (string, error) {
-	openAPIFileName, err := GetOpenAPIFile([]string{"."})
-	if err != nil {
-		return "", err
-	}
-	return openAPIFileName, nil
+// KRMFileName returns the name of the KRM file. KRM file determines package
+// boundaries and contains the openapi information for a package.
+var KRMFileName = func() string {
+	return "Krmfile"
 }