remove this option for now, because it can only be enabled when

optimizations aren't being used


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@23037 65c4cc65-6c06-0410-ace0-fbb531ad65f3

build_tools/cflags.xml

@@ -13,8 +13,6 @@
 		</member>
 		<member name="-DRADIO_RELAX">
 		</member>
-		<member name="-DSTACK_BACKTRACES">
-		</member>
 		<member name="-DTRACE_FRAMES">
 		</member>
 		<member name="-DMTX_PROFILE">