Remove unused includes

src/zmq/zmqconfig.h

@@ -10,13 +10,11 @@
 #endif
 
 #include <stdarg.h>
-#include <string>
 
 #if ENABLE_ZMQ
 #include <zmq.h>
 #endif
 
-#include <primitives/block.h>
 #include <primitives/transaction.h>
 
 void zmqError(const char *str);

src/zmq/zmqnotificationinterface.cpp

@@ -5,7 +5,6 @@
 #include <zmq/zmqnotificationinterface.h>
 #include <zmq/zmqpublishnotifier.h>
 
-#include <version.h>
 #include <validation.h>
 #include <util/system.h>
 

src/zmq/zmqnotificationinterface.h

@@ -6,8 +6,6 @@
 #define BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H
 
 #include <validationinterface.h>
-#include <string>
-#include <map>
 #include <list>
 
 class CBlockIndex;