No longer remove deprecated bundle/svid files (#5205)

These deprecated files were unused since 1.4 but kept up-to-date until
1.9.0, which actively removed them. The removal code is no longer needed
for 1.10 onwards.

Signed-off-by: Andrew Harding <azdagron@gmail.com>
Co-authored-by: Agustín Martínez Fayó <amartinezfayo@gmail.com>

pkg/agent/storage/storage.go

@@ -43,13 +43,6 @@ func Open(dir string) (Storage, error) {
  return nil, err
  }
 
- // TODO: Can be removed after 1.10 release
- // No point in checking for errors here, we're just
- // trying to clean up some files that we will no longer
- // use.
- os.Remove(legacySVIDPath(dir))
- os.Remove(legacyBundlePath(dir))
-
  return &storage{
  dir: dir,
  data: data,
@@ -234,11 +227,3 @@ func encodeCertificates(certs []*x509.Certificate) ([][]byte, error) {
 func dataPath(dir string) string {
  return filepath.Join(dir, "agent-data.json")
 }
-
-func legacyBundlePath(dir string) string {
- return filepath.Join(dir, "bundle.der")
-}
-
-func legacySVIDPath(dir string) string {
- return filepath.Join(dir, "agent_svid.der")
-}