shill: cellular: Remove OEM ID from VZW portal

BUG=chrome-os-partner:26241
TEST=Activate SIM on Spring and Link

Change-Id: Iaf1e348368483b169c269396976cdb37098a8c97
Reviewed-on: https://chromium-review.googlesource.com/202627
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Thieu Le <thieule@chromium.org>
Tested-by: Thieu Le <thieule@chromium.org>
diff --git a/cellular_capability_universal.cc b/cellular_capability_universal.cc
index abe98a0..415f59c 100644
--- a/cellular_capability_universal.cc
+++ b/cellular_capability_universal.cc
@@ -848,11 +848,6 @@
   ReplaceSubstringsAfterOffset(&post_data, 0, "${mdn}",
                                GetMdnForOLP(cellular()->home_provider_info()));
   ReplaceSubstringsAfterOffset(&post_data, 0, "${min}", cellular()->min());
-
-  // TODO(armansito): Define constants for the OEM IDs in MobileOperator
-  // (See crbug.com/298408).
-  string oem_id = (cellular()->model_id() == kE362ModelId) ? "GOG3" : "QUA";
-  ReplaceSubstringsAfterOffset(&post_data, 0, "${oem}", oem_id);
   cellular()->service()->SetOLP(olp_list[0].url, olp_list[0].method, post_data);
 }
 
diff --git a/mobile_operator_db/additional_providers.prototxt b/mobile_operator_db/additional_providers.prototxt
index 2a5bca6..b188d9b 100644
--- a/mobile_operator_db/additional_providers.prototxt
+++ b/mobile_operator_db/additional_providers.prototxt
@@ -38,7 +38,7 @@
       }
       method : POST
       url : "https://quickaccess.verizonwireless.com/bbportal/chrome/start4g.do"
-      post_data : "oem=${oem}&iccid=${iccid}&imei=${imei}&mdn=${mdn}"
+      post_data : "iccid=${iccid}&imei=${imei}&mdn=${mdn}"
     }
     olp {
       olp_filter {
@@ -47,7 +47,7 @@
       }
       method : POST
       url : "https://quickaccess.verizonwireless.com/bbportal/chrome/start.do"
-      post_data : "mdn=${mdn}&oem=${oem}&meid=${meid}"
+      post_data : "mdn=${mdn}&meid=${meid}"
     }
     mccmnc : "310995"
     mccmnc : "311480"