Revert "batman-adv: tweak the Makefile for dynamically patch 'main.h' via 'sed' by inserting '#undef CONFIG_MODULE_STRIPPED' - so the intelligent OpenWrt-optimizer will not destroy important module-metadata. remove the old patch which does the same, but needed rebasing everything main.h changes. compile and run-tested on ar71xx"
back to 2013.3.0

This reverts commit 1c0b31528970a181327ff9309e3efd1e8c625ff0.