Remove unused ReplaceFingerprints

  return data

def ReplaceFingerprints(data):

  """Replaces all the occurences of X.509 cert fingerprints with the new ones.

  The mapping info is read from OPTIONS.key_map. Non-existent certificate will

  be skipped. After the replacement, it additionally checks for duplicate

  entries, which would otherwise fail the policy loading code in

  frameworks/base/services/core/java/com/android/server/pm/SELinuxMMAC.java.

  Args:

    data: Input string that contains a set of X.509 certs.

  Returns:

    A string after the replacement.

  Raises:

    AssertionError: On finding duplicate entries.

  """

  for old, new in OPTIONS.key_map.items():

    if OPTIONS.verbose:

      print("    Replacing %s.x509.pem with %s.x509.pem" % (old, new))

    try:

      with open(old + ".x509.pem") as old_fp:

        old_sha256 = common.ExtractFingerprint(old + ".x509.pem")

      with open(new + ".x509.pem") as new_fp:

        new_sha256 = common.ExtractFingerprint(new + ".x509.pem")

    except IOError as e:

      if OPTIONS.verbose or e.errno != errno.ENOENT:

        print("    Error accessing %s: %s.\nSkip replacing %s.x509.pem with "

              "%s.x509.pem." % (e.filename, e.strerror, old, new))

      continue

    (data, num) = re.subn(old_sha256, new_sha256, data, flags=re.IGNORECASE)

    if OPTIONS.verbose:

      print("    Replaced %d occurence(s) of %s.x509.pem's fingerprint: %s with "

            " %s.x509.pem's fingerprint: %s" % (num, old, old_sha256, new, new_sha256))

  return data

def ReplaceTrichromeLibraryFingerprint(unsigned, new_apk, keyname, apk_name):

  """Replaces all the occurences of X.509 cert fingerprints with the new ones.