Revert "llc/test: Explicitly enable extended initialiser lists"

This reverts commit a99d95e3afc528829f657e37f0572ac78bf06d4b.

That commit has only removed the warning but not the error.

Sponsored-by: On-Waves ehf
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 861552f..5d7aab0 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -66,10 +66,6 @@
 llc_LlcTest_LDFLAGS = \
 	-Wl,-u,bssgp_prim_cb
 
-# Compatibility with Debian Squeeze
-llc_LlcTest_CXXFLAGS = \
-	-std=gnu++0x
-
 llist_LListTest_SOURCES = llist/LListTest.cpp
 llist_LListTest_LDADD = \
 	$(LIBOSMOCORE_LIBS) \