Merge pull request #8064 from miri64/gnrc/cleanup/rm-legacy

Makefile.dep

examples/gnrc_minimal/Makefile

sys/auto_init/auto_init.c

sys/include/net/gnrc.h

sys/include/net/gnrc/ipv6/nc.h

sys/include/net/gnrc/ipv6/netif.h

sys/include/net/gnrc/ndp.h

sys/include/net/gnrc/ndp/host.h

sys/include/net/gnrc/ndp/internal.h

sys/include/net/gnrc/ndp/node.h

sys/include/net/gnrc/ndp/router.h

sys/include/net/gnrc/netif.h

sys/include/net/gnrc/rpl/structs.h

sys/include/net/gnrc/sixlowpan.h

sys/include/net/gnrc/sixlowpan/nd/router.h

sys/include/net/gnrc/sixlowpan/netif.h

sys/net/gnrc/Makefile

sys/net/gnrc/netif/Makefile

sys/net/gnrc/netif/gnrc_netif.c

sys/net/gnrc/netif/gnrc_netif_addr_from_str.c