Merge branch '414-cleanup-remove-ippl_directio' into 'master'

Resolve "cleanup: remove IPPL_DIRECTIO"

Closes #414

See merge request !231

ippl/src/Utility/IpplInfo.cpp

@@ -130,7 +130,6 @@ int  IpplInfo::ChunkSize = 512*1024; // 512K == 64K doubles
 bool IpplInfo::PerSMPParallelIO = false;
 bool IpplInfo::offsetStorage = false;
 bool IpplInfo::extraCompressChecks = false;
-bool IpplInfo::useDirectIO = false;
 
 /////////////////////////////////////////////////////////////////////
 // print out current state to the given output stream
@@ -160,10 +159,6 @@ std::ostream& operator<<(std::ostream& o, const IpplInfo&) {
     o << "  Retransmit messages on error (only if checkums on)? ";
     o << IpplInfo::retransmit() << "\n";
 
-#ifdef IPPL_DIRECTIO
-    o << "  Use Direct-IO? " << IpplInfo::useDirectIO << "\n";
-#endif
-
     o << "  Elapsed wall-clock time (in seconds): ";
     o << IpplInfo::Stats->getTime().clock_time() << "\n";
     o << "  Elapsed CPU-clock time (in seconds) : ";