[Sync] Cleanup datatype configuration error handling.

chrome/browser/sync/backend_migrator.cc

Index: chrome/browser/sync/backend_migrator.cc
diff --git a/chrome/browser/sync/backend_migrator.cc b/chrome/browser/sync/backend_migrator.cc
index f0b7bfa8856b55adef281c300857cfefd4929897..45668cb9afe9ed23ac2992c1705e614419136fbe 100644
--- a/chrome/browser/sync/backend_migrator.cc
+++ b/chrome/browser/sync/backend_migrator.cc
@@ -164,8 +164,7 @@ void BackendMigrator::OnConfigureDoneImpl(
     return;
   }
 
-  if (result.status != sync_driver::DataTypeManager::OK &&
-      result.status != sync_driver::DataTypeManager::PARTIAL_SUCCESS) {
+  if (result.status != sync_driver::DataTypeManager::OK) {
     // If this fails, and we're disabling types, a type may or may not be
     // disabled until the user restarts the browser.  If this wasn't an abort,
     // any failure will be reported as an unrecoverable error to the UI. If it