Revert "Unit Test: Adding unit test cases UsrMgr"

This reverts commit 0e427be810a3233f23186cce599e8bf680ae3f62.

Change-Id: I01478d33b2d9d413fab5d7e548e7312de4f07f6b
Signed-off-by: Ravi Teja <raviteja28031990@gmail.com>
diff --git a/test/mock_user_mgr.hpp b/test/mock_user_mgr.hpp
index b301ba7..99f2b37 100644
--- a/test/mock_user_mgr.hpp
+++ b/test/mock_user_mgr.hpp
@@ -25,15 +25,6 @@
 
     friend class TestUserMgr;
 };
-class MockUser : public Users
-{
-  public:
-    MockUser(sdbusplus::bus::bus& bus, const char* objPath,
-             std::vector<std::string> groupNames, const std::string& priv,
-             bool enabled, UserMgr& parent) :
-        Users(bus, objPath, groupNames, priv, enabled, parent)
-    {}
-    MOCK_METHOD0(createSecretKey, std::string());
-};
+
 } // namespace user
 } // namespace phosphor