microcoap_example: make example a host instead of router

examples/microcoap_server/Makefile

@@ -7,21 +7,16 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-BOARD_INSUFFICIENT_MEMORY := airfy-beacon chronos msb-430 msb-430h nrf51dongle \
-                          nrf6310 pca10000 pca10005 spark-core \
-                          stm32f0discovery telosb weio wsn430-v1_3b wsn430-v1_4 \
-                          yunjia-nrf51822 z1 nucleo-f072 nucleo-f030 nucleo-f070 \
-                          microbit calliope-mini nucleo-f042
+BOARD_INSUFFICIENT_MEMORY := chronos msb-430 msb-430h nucleo-f030 nucleo-f042 \
+                             pca10000 pca10005 stm32f0discovery telosb weio z1
 
 # Include packages that pull up and auto-init the link layer.
 # NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
 USEMODULE += gnrc_netdev_default
 USEMODULE += auto_init_gnrc_netif
 # Specify the mandatory networking modules for IPv6 and UDP
-USEMODULE += gnrc_ipv6_router_default
+USEMODULE += gnrc_ipv6_default
 USEMODULE += gnrc_udp
-# Add a routing protocol
-USEMODULE += gnrc_rpl
 # Additional networking modules that can be dropped if not needed
 USEMODULE += gnrc_icmpv6_echo
 
@@ -48,8 +43,6 @@ $(info Using low-memory configuration for microcoap_server.)
 ## low-memory tuning values
 # lower pktbuf buffer size
 CFLAGS += -DGNRC_PKTBUF_SIZE=1000
-# disable fib, rpl
-DISABLE_MODULE += fib gnrc_rpl
 USEMODULE += prng_minstd
 endif