Removed version gtests from openpower-pnor-code-mgmt

These gtests were moved to phosphor-bmc-code-mgmt in
https://gerrit.openbmc-project.xyz/#/c/3802/
I left the base test code since tests are needed
for other functions in this repo.

Change-Id: Id3f4666550ce04ddec5e34dcfe103cfe0ea42304
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/test/Makefile.am b/test/Makefile.am
index cac8e37..e2caf4b 100755
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -10,7 +10,6 @@
 utest_CPPFLAGS = -Igtest $(GTEST_CPPFLAGS) $(AM_CPPFLAGS)
 utest_CXXFLAGS = $(PTHREAD_CFLAGS) $(PHOSPHOR_LOGGING_CFLAGS)
 utest_LDFLAGS = -lgtest_main -lgtest $(PTHREAD_LIBS) $(OESDK_TESTCASE_FLAGS) \
-	$(PHOSPHOR_LOGGING_LIBS) -lstdc++fs
+	$(PHOSPHOR_LOGGING_LIBS)
 
 utest_SOURCES = utest.cpp
-utest_LDADD = $(top_builddir)/version_host_software_manager.o