version-handler/test: Remove unused declarations

Change-Id: If9bc7dd4c58bd9ba3430ffee6319da5ed194cb9f
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/bmc/version-handler/test/version_close_unittest.cpp b/bmc/version-handler/test/version_close_unittest.cpp
index efdff5d..941f72d 100644
--- a/bmc/version-handler/test/version_close_unittest.cpp
+++ b/bmc/version-handler/test/version_close_unittest.cpp
@@ -7,7 +7,6 @@
 
 #include <gtest/gtest.h>
 
-using ::testing::_;
 using ::testing::Return;
 
 namespace ipmi_flash
diff --git a/bmc/version-handler/test/version_open_unittest.cpp b/bmc/version-handler/test/version_open_unittest.cpp
index 3d6f559..dd83de2 100644
--- a/bmc/version-handler/test/version_open_unittest.cpp
+++ b/bmc/version-handler/test/version_open_unittest.cpp
@@ -8,7 +8,6 @@
 
 #include <gtest/gtest.h>
 
-using ::testing::_;
 using ::testing::Return;
 
 namespace ipmi_flash