AUP3: Removes OD code related to project file handling

This removes all of the OnDemand code embedded throughout
    the main codebase. Individual files related specifically
    to OD have been left in place, but removed from the build.

src/blockfile/SimpleBlockFile.cpp

@@ -211,7 +211,6 @@ bool SimpleBlockFile::WriteSimpleBlockFile(
    ArrayOf<char> cleanup;
    if (!summaryData)
       summaryData = /*BlockFile::*/CalcSummary(sampleData, sampleLen, format, cleanup);
-      //mchinen:allowing virtual override of calc summary for ODDecodeBlockFile.
       // PRL: cleanup fixes a possible memory leak!
 
    size_t nBytesToWrite = sizeof(header);