Fix stutters

Podman adds an Error: to every error message.  So starting an error
message with "error" ends up being reported to the user as

Error: error ...

This patch removes the stutter.

Also ioutil.ReadFile errors report the Path, so wrapping the err message
with the path causes a stutter.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

utils/utils.go

@@ -128,7 +128,7 @@ func moveProcessPIDFileToScope(pidPath, slice, scope string) error {
 		if os.IsNotExist(err) {
 			return nil
 		}
-		return fmt.Errorf("cannot read pid file %s: %w", pidPath, err)
+		return fmt.Errorf("cannot read pid file: %w", err)
 	}
 	pid, err := strconv.ParseUint(string(data), 10, 0)
 	if err != nil {