shill: cellular: Delete CellularOperatorInfo.

|CellularOperatorInfo| has been replaced by |MobileOperatorInfo|. Unwire the few
remaining places, and delete the old object.

BUG=chromium:371639
TEST=(1) Run shill_unittest
     (2) Run network_3GSmokeTest on a few modems.

Change-Id: Ib840f10c034f9777a504c0fb04eb442cdcb0ffb0
Reviewed-on: https://chromium-review.googlesource.com/201101
Reviewed-by: Thieu Le <thieule@chromium.org>
Commit-Queue: Prathmesh Prabhu <pprabhu@chromium.org>
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/cellular_capability_universal_cdma.cc b/cellular_capability_universal_cdma.cc
index 3a3546f..3d6f65d 100644
--- a/cellular_capability_universal_cdma.cc
+++ b/cellular_capability_universal_cdma.cc
@@ -10,7 +10,7 @@
 #include <base/strings/string_util.h>
 
 #include "shill/cellular_bearer.h"
-#include "shill/cellular_operator_info.h"
+#include "shill/cellular_service.h"
 #include "shill/dbus_properties_proxy_interface.h"
 #include "shill/error.h"
 #include "shill/logging.h"