Merge pull request #5513

856e862 namespace: drop most boost namespaces and a few header cleanups (Cory Fields)
9b1ab86 namespace: drop boost::assign altogether here (Cory Fields)
a324199 namespace: remove boost namespace pollution (Cory Fields)

src/qt/paymentserver.cpp

@@ -46,7 +46,6 @@
 #include <QUrlQuery>
 #endif
 
-using namespace boost;
 using namespace std;
 
 const int BITCOIN_IPC_CONNECT_TIMEOUT = 1000; // milliseconds