scripted-diff: Remove PAIRTYPE

-BEGIN VERIFY SCRIPT-
sed -i 's/PAIRTYPE(\([^,]*\), \([^\)]*\))/std::pair<\1, \2>/' ./src/*.h ./src/*.cpp ./src/*/*.h ./src/*/*.cpp ./src/*/*/*.h ./src/*/*/*.cpp ;
sed -i ':a;N;$!ba;s/#define std::pair<t1, t2>    std::pair<t1, t2>\n//' ./src/utilstrencodings.h ;
-END VERIFY SCRIPT-

src/init.cpp

@@ -611,7 +611,7 @@ void CleanupBlockRevFiles()
     // keeping a separate counter.  Once we hit a gap (or if 0 doesn't exist)
     // start removing block files.
     int nContigCounter = 0;
-    for (const PAIRTYPE(std::string, fs::path)& item : mapBlockFiles) {
+    for (const std::pair<std::string, fs::path>& item : mapBlockFiles) {
         if (atoi(item.first) == nContigCounter) {
             nContigCounter++;
             continue;