mac80211: remove PID rate control

Minstrel has long since proven its worth.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --cc MAINTAINERS
Simple merge

diff --cc net/mac80211/Kconfig
Simple merge

diff --cc net/mac80211/Makefile
Simple merge

diff --cc net/mac80211/main.c
Simple merge

diff --cc net/mac80211/rate.h
Simple merge

diff --cc net/mac80211/rc80211_pid.h
Simple merge

diff --cc net/mac80211/rc80211_pid_algo.c
Simple merge

diff --cc net/mac80211/rc80211_pid_debugfs.c
Simple merge