daemon/graphdriver: remove unused graphdriver.IsInitialized()
It's no longer used, and has no external consumers.
@@ -294,18 +294,6 @@ func scanPriorDrivers(root string) map[string]bool {
return driversMap
}
-// IsInitialized checks if the driver's home-directory exists and is non-empty.
-func IsInitialized(driverHome string) bool {
- _, err := os.Stat(driverHome)
- if os.IsNotExist(err) {
- return false
- }
- if err != nil {
- logrus.Warnf("graphdriver.IsInitialized: stat failed: %v", err)
- }
- return !isEmptyDir(driverHome)
-}
-
// isEmptyDir checks if a directory is empty. It is used to check if prior
// storage-driver directories exist. If an error occurs, it also assumes the
// directory is not empty (which preserves the behavior _before_ this check
