src/Makefile.am: remove unneeded AM_LDFLAGS with LIBS

Change-Id: I7895f037925e0e29f52e01636a0ba157cc324e5d
diff --git a/src/Makefile.am b/src/Makefile.am
index e23ab10..746c80d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -13,12 +13,6 @@
 	$(COVERAGE_CFLAGS) \
 	$(NULL)
 
-AM_LDFLAGS = \
-	$(LIBOSMOCORE_LIBS) \
-	$(LIBOSMOGSM_LIBS) \
-	$(COVERAGE_LDFLAGS) \
-	$(NULL)
-
 # Libraries
 SUBDIRS = \
 	libvlr \