Remove unneeded -liberty references.

Bug #232763

tools/trace-malloc/lib/Makefile.in

@@ -45,10 +45,6 @@ EXPORTS         = nsTraceMalloc.h
 
 EXTRA_DSO_LDOPTS = $(NSPR_LIBS)
 
-ifdef MOZ_DEMANGLE_SYMBOLS
-EXTRA_DSO_LDOPTS += -liberty
-endif
-
 ifeq ($(OS_ARCH),WINNT)
 CPPSRCS		+= nsDebugHelpWin32.cpp nsWinTraceMalloc.cpp nsStackFrameWin.cpp
 EXTRA_DSO_LDOPTS += $(XPCOM_LIBS)