libunwind: Also clean up headers

Fixes building ldc after libunwind

packages/libunwind/build.sh

@@ -20,4 +20,5 @@ termux_step_post_massage() {
 	# Hack to fix problem with building arm c++ code
 	# which should not use this libunwind:
 	rm $TERMUX_PREFIX/lib/libunwind*
+	rm $TERMUX_PREFIX/include/{unwind.h,libunwind*.h}
 }