OpenVDS should always be used (#10166)

* OpenVDS should always be used, remove optional defines

ApplicationLibCode/ProjectDataModel/Seismic/RimSeismicData.cpp

@@ -20,11 +20,8 @@
 
 #include "RiaLogging.h"
 
-#include "RifSeismicZGYReader.h"
-
-#ifdef USE_OPENVDS
 #include "RifOpenVDSReader.h"
-#endif
+#include "RifSeismicZGYReader.h"
 
 #include "RimRegularLegendConfig.h"
 #include "RimSeismicAlphaMapper.h"
@@ -118,12 +115,10 @@ bool RimSeismicData::openFileIfNotOpen()
         {
             m_filereader = std::make_shared<RifSeismicZGYReader>();
         }
-#ifdef USE_OPENVDS
         else if ( fi.suffix().toLower() == "vds" )
         {
             m_filereader = std::make_shared<RifOpenVDSReader>();
         }
-#endif
         else
         {
             m_filereader.reset();