remove macro JVET_Q0798_SPS_NUMBER_MERGE_CANDIDATE

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/CommonLib/UnitTools.cpp

source/Lib/DecoderLib/CABACReader.cpp

source/Lib/DecoderLib/DecCu.cpp

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/EncoderLib/CABACWriter.cpp

source/Lib/EncoderLib/EncCfg.h

source/Lib/EncoderLib/EncCu.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/InterSearch.cpp

source/Lib/EncoderLib/VLCWriter.cpp