scripted-diff: Replace boost::bind with std::bind

-BEGIN VERIFY SCRIPT-
for j in $(seq 1 5)
do
    sed -i "s/ _${j}/ std::placeholders::_${j}/g" $(git grep --name-only " _${j}" -- '*.cpp' '*.h')
done
sed -i "s/boost::bind/std::bind/g" $(git grep --name-only boost::bind -- '*.cpp' '*.h')
sed -i "s/boost::ref/std::ref/g" $(git grep --name-only boost::ref -- '*.cpp' '*.h')
sed -i '/boost\/bind/d' $(git grep --name-only boost/bind)
-END VERIFY SCRIPT-

src/bench/block_assemble.cpp

@@ -77,7 +77,7 @@ static void AssembleBlock(benchmark::State& state)
         ::pcoinsTip.reset(new CCoinsViewCache(pcoinsdbview.get()));
 
         const CChainParams& chainparams = Params();
-        thread_group.create_thread(boost::bind(&CScheduler::serviceQueue, &scheduler));
+        thread_group.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
         GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
         LoadGenesisBlock(chainparams);
         CValidationState state;