build: drop linking of libssl

Drop unused linking of libssl from build.

Change-Id: I8cb0e6d66f4529fc64aa5329798c5d95af7068b5
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/Makefile.am b/Makefile.am
index b2dd2c2..c3535ba 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -77,7 +77,8 @@
 	$(PHOSPHOR_LOGGING_LIBS) \
 	$(PHOSPHOR_DBUS_INTERFACES_LIBS) \
 	-lstdc++fs \
-	$(CRYPTO_LIBS) -lpam_misc -lssl \
+	$(CRYPTO_LIBS) \
+	-lpam_misc \
 	-version-info 0:0:0 -shared
 libuserlayer_la_CXXFLAGS = \
 	$(SYSTEMD_CFLAGS) \