refactor(src/common|server): remove unused import (big part 2) (#20388)

src/server/shared/Realms/Realm.cpp

@@ -18,7 +18,7 @@
 #include "Realm.h"
 #include "IpNetwork.h"
 #include <boost/asio/ip/tcp.hpp>
-#include <memory>
+#include <memory> // NOTE: this import is NEEDED (even though some IDEs report it as unused)
 
 boost::asio::ip::tcp_endpoint Realm::GetAddressForClient(boost::asio::ip::address const& clientAddr) const
 {

src/server/shared/Realms/Realm.h

@@ -20,7 +20,7 @@
 
 #include "AsioHacksFwd.h"
 #include "Common.h"
-#include <memory>
+#include <memory> // NOTE: this import is NEEDED (even though some IDEs report it as unused)
 
 enum RealmFlags
 {

src/server/shared/Realms/RealmList.h

@@ -22,7 +22,7 @@
 #include "Realm.h"
 #include <array>
 #include <map>
-#include <memory>
+#include <memory> // NOTE: this import is NEEDED (even though some IDEs report it as unused)
 #include <vector>
 
 struct RealmBuildInfo