emulator: mechanical formatting fixes by CI tool.

Author: marete

google/cloud/bigtable/emulator/filter_test.cc

@@ -26,11 +26,6 @@
 #include <memory>
 #include <string>
 #include <vector>
-#include "google/cloud/testing_util/chrono_literals.h"
-#include "google/cloud/testing_util/status_matchers.h"
-#include "gmock/gmock.h"
-#include <re2/re2.h>
-#include <memory>
 
 namespace google {
 namespace cloud {