remove shared_uid cert check from sign_targt_file_apks

This check (and others) are now done by the separate script
check_target_files_signatures; the one here is redundant.

tools/releasetools/sign_target_files_apks

@@ -114,68 +114,6 @@ def CheckAllApksSigned(input_tf_zip, apk_key_map):
     sys.exit(1)
 
 
-def SharedUserForApk(data):
-  tmp = tempfile.NamedTemporaryFile()
-  tmp.write(data)
-  tmp.flush()
-
-  p = common.Run(["aapt", "dump", "xmltree", tmp.name, "AndroidManifest.xml"],
-                 stdout=subprocess.PIPE)
-  data, _ = p.communicate()
-  if p.returncode != 0:
-    raise ExternalError("failed to run aapt dump")
-  lines = data.split("\n")
-  for i in lines:
-    m = re.match(r'^\s*A: android:sharedUserId\([0-9a-fx]*\)="([^"]*)" .*$', i)
-    if m:
-      return m.group(1)
-  return None
-
-
-def CheckSharedUserIdsConsistent(input_tf_zip, apk_key_map):
-  """Check that all packages that request the same shared user id are
-  going to be signed with the same key."""
-
-  shared_user_apks = {}
-  maxlen = len("(unknown key)")
-
-  for info in input_tf_zip.infolist():
-    if info.filename.endswith(".apk"):
-      data = input_tf_zip.read(info.filename)
-
-      name = os.path.basename(info.filename)
-      shared_user = SharedUserForApk(data)
-      key = apk_key_map[name]
-      maxlen = max(maxlen, len(key))
-
-      if shared_user is not None:
-        shared_user_apks.setdefault(
-            shared_user, {}).setdefault(key, []).append(name)
-
-  errors = []
-  for k, v in shared_user_apks.iteritems():
-    # each shared user should have exactly one key used for all the
-    # apks that want that user.
-    if len(v) > 1:
-      errors.append((k, v))
-
-  if not errors: return
-
-  print "ERROR:  shared user inconsistency.  All apks wanting to use"
-  print "        a given shared user must be signed with the same key."
-  print
-  errors.sort()
-  for user, keys in errors:
-    print 'shared user id "%s":' % (user,)
-    for key, apps in keys.iteritems():
-      print '  %-*s   %s' % (maxlen, key or "(unknown key)", apps[0])
-      for a in apps[1:]:
-        print (' ' * (maxlen+5)) + a
-    print
-
-  sys.exit(1)
-
-
 def SignApk(data, keyname, pw):
   unsigned = tempfile.NamedTemporaryFile()
   unsigned.write(data)
@@ -350,7 +288,6 @@ def main(argv):
 
   apk_key_map = GetApkCerts(input_zip)
   CheckAllApksSigned(input_zip, apk_key_map)
-  CheckSharedUserIdsConsistent(input_zip, apk_key_map)
 
   key_passwords = common.GetKeyPasswords(set(apk_key_map.values()))
   SignApks(input_zip, output_zip, apk_key_map, key_passwords)