Revert "librt: Use -nodefaultlibs instead of -nostdlib"

This reverts commit 534f44d53146457b3ca686c47efb9207543b88e1.

I don't think this is wanted.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

librt/Makefile.in

@@ -15,9 +15,6 @@ LIBS-librt.so := $(LIBS)
 ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
 LIBS-librt.so += $(top_builddir)lib/libdl.so $(top_builddir)lib/libpthread.so
 endif
-START_FILE-librt.so := $(SHARED_START_FILES)
-END_FILE-librt.so := $(SHARED_END_FILES)
-
 
 librt_FULL_NAME := librt-$(VERSION).so