Remove enterprise serial number recovery feature

chrome/browser/policy/test/policy_testserver.py

Index: chrome/browser/policy/test/policy_testserver.py
diff --git a/chrome/browser/policy/test/policy_testserver.py b/chrome/browser/policy/test/policy_testserver.py
index 35af0e68a416b77bd3897d3ae169e884c23026bb..8837c3822317fb8e3f47e45d14867f8fa23e988d 100644
--- a/chrome/browser/policy/test/policy_testserver.py
+++ b/chrome/browser/policy/test/policy_testserver.py
@@ -96,10 +96,6 @@ except ImportError:
 # ASN.1 object identifier for PKCS#1/RSA.
 PKCS1_RSA_OID = '\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01'
 
-# List of bad machine identifiers that trigger the |valid_serial_number_missing|
-# flag to be set set in the policy fetch response.
-BAD_MACHINE_IDS = [ '123490EN400015' ]
-
 # List of machines that trigger the server to send kiosk enrollment response
 # for the register request.
 KIOSK_MACHINE_IDS = [ 'KIOSK' ]
@@ -905,8 +901,6 @@ class PolicyRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
     policy_data.request_token = token_info['device_token']
     policy_data.policy_value = payload
     policy_data.machine_name = token_info['machine_name']
-    policy_data.valid_serial_number_missing = (
-        token_info['machine_id'] in BAD_MACHINE_IDS)
     policy_data.settings_entity_id = msg.settings_entity_id
     policy_data.service_account_identity = policy.get(
         'service_account_identity',