Remove unused function

runner/file.go

@@ -5,23 +5,6 @@ import (
 	"path/filepath"
 )
 
-const folderName = "tusk"
-
-// DataHome returns the XDG data home. It may or may not already exist.
-func DataHome() (string, error) {
-	if xdgHome := os.Getenv("XDG_DATA_HOME"); xdgHome != "" {
-		// TODO: This should be filepath.Join(xdgHome, folderName)
-		return xdgHome, nil
-	}
-
-	homedir, err := os.UserHomeDir()
-	if err != nil {
-		return "", err
-	}
-
-	return filepath.Join(homedir, ".local", "share", folderName), nil
-}
-
 var defaultFiles = []string{"tusk.yml", "tusk.yaml"}
 
 // searchForFile checks the working directory and every parent directory to