Remove mruset as it is no longer used.

Author: gmaxwell

src/Makefile.am

@@ -117,7 +117,6 @@ BITCOIN_CORE_H = \
   memusage.h \
   merkleblock.h \
   miner.h \
-  mruset.h \
   net.h \
   netbase.h \
   noui.h \

src/Makefile.test.include

@@ -59,7 +59,6 @@ BITCOIN_TESTS =\
   test/mempool_tests.cpp \
   test/merkle_tests.cpp \
   test/miner_tests.cpp \
-  test/mruset_tests.cpp \
   test/multisig_tests.cpp \
   test/netbase_tests.cpp \
   test/pmt_tests.cpp \

src/mruset.h

@@ -9,7 +9,6 @@
 #include "bloom.h"
 #include "compat.h"
 #include "limitedmap.h"
-#include "mruset.h"
 #include "netbase.h"
 #include "protocol.h"
 #include "random.h"