iproute2: Remove poky master patches for version 4.4

Yocto is now using iproute2 4.4 and the tools we packaged into
the main package are now available as extra packages and we can
just drop our extension for master.

recipes-fixes/iproute2/files/iproute2-4.3.0/disable_arpd_in_misc.patch

@@ -1,17 +0,0 @@
-Index: iproute2-4.3.0/misc/Makefile
-===================================================================
---- iproute2-4.3.0.orig/misc/Makefile	2015-12-03 17:17:49.164492802 +0100
-+++ iproute2-4.3.0/misc/Makefile	2015-12-03 17:18:39.368493469 +0100
-@@ -5,9 +5,9 @@
- 
- include ../Config
- 
--ifeq ($(HAVE_BERKELEY_DB),y)
--	TARGETS += arpd
--endif
-+#ifeq ($(HAVE_BERKELEY_DB),y)
-+#	TARGETS += arpd
-+#endif
- 
- ifeq ($(HAVE_SELINUX),y)
- 	LDLIBS += $(shell pkg-config --libs libselinux)

yocto-master/iproute2_%.bbappend

@@ -1 +0,0 @@
-require recipes-fixes/iproute2/${PN}_sysmocom.inc