IWYU fixes

Add missing includes of logging.h in preparation for the next commit,
switching to util/log.h. Also removes some unnecessary util/check.h
includes that CI complains about.

src/bitcoind.cpp

@@ -16,6 +16,7 @@
 #include <interfaces/chain.h>
 #include <interfaces/init.h>
 #include <kernel/context.h>
+#include <logging.h>
 #include <node/context.h>
 #include <node/interface_ui.h>
 #include <node/warnings.h>

src/signet.cpp

@@ -13,7 +13,6 @@
 #include <script/script.h>
 #include <streams.h>
 #include <uint256.h>
-#include <util/check.h>
 #include <util/log.h>
 
 #include <algorithm>

src/test/fuzz/pcp.cpp

@@ -8,6 +8,7 @@
 #include <test/fuzz/util/net.h>
 
 #include <common/pcp.h>
+#include <logging.h>
 #include <util/check.h>
 #include <util/threadinterrupt.h>
 

src/test/node_init_tests.cpp

@@ -4,6 +4,7 @@
 
 #include <init.h>
 #include <interfaces/init.h>
+#include <logging.h>
 #include <rpc/server.h>
 
 #include <boost/test/unit_test.hpp>

src/zmq/zmqutil.cpp

@@ -5,7 +5,6 @@
 #include <zmq/zmqutil.h>
 
 #include <logging.h>
-#include <util/check.h>
 
 #include <zmq.h>