remove HEVC_DEPENDENT_SLICES define

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h

source/App/Parcat/parcat.cpp

source/Lib/CommonLib/Slice.cpp

source/Lib/CommonLib/Slice.h

source/Lib/CommonLib/TypeDef.h

source/Lib/DecoderLib/DecLib.cpp

source/Lib/DecoderLib/DecSlice.cpp

source/Lib/DecoderLib/DecSlice.h

source/Lib/DecoderLib/VLCReader.cpp

source/Lib/EncoderLib/CABACWriter.cpp

source/Lib/EncoderLib/EncCu.cpp

source/Lib/EncoderLib/EncGOP.cpp

source/Lib/EncoderLib/EncLib.cpp

source/Lib/EncoderLib/EncSlice.cpp

source/Lib/EncoderLib/EncSlice.h

source/Lib/EncoderLib/VLCWriter.cpp