[Sync] Removing duplicated includes between cc and h files.

components/sync/test/fake_server/bookmark_entity_builder.cc

Index: components/sync/test/fake_server/bookmark_entity_builder.cc
diff --git a/components/sync/test/fake_server/bookmark_entity_builder.cc b/components/sync/test/fake_server/bookmark_entity_builder.cc
index 7985b93dec57bd3a9d9756f331c39c82efdf17a3..70e03a6959c7a232fe66800b0ed6f6b934614ec6 100644
--- a/components/sync/test/fake_server/bookmark_entity_builder.cc
+++ b/components/sync/test/fake_server/bookmark_entity_builder.cc
@@ -6,20 +6,14 @@
 
 #include <stdint.h>
 
-#include <memory>
-#include <string>
-
 #include "base/guid.h"
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
-#include "components/sync/base/model_type.h"
 #include "components/sync/base/time.h"
 #include "components/sync/base/unique_position.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "components/sync/syncable/syncable_util.h"
 #include "components/sync/test/fake_server/bookmark_entity.h"
-#include "components/sync/test/fake_server/fake_server_entity.h"
-#include "url/gurl.h"
 
 using std::string;