Cleanup old device store and debug

Author: mconcas

Detectors/ITSMFT/ITS/tracking/GPU/ITStrackingGPU/DeviceStoreVertexerGPU.h

@@ -16,8 +16,6 @@ message(STATUS "Building ITS CUDA tracker")
 o2_add_library(ITStrackingCUDA
                SOURCES ClusterLinesGPU.cu
                        Context.cu
-                #        DeviceStoreGPU.cu
-                #        DeviceStoreVertexerGPU.cu
                        Stream.cu
                        TrackerTraitsGPU.cu
                        TimeFrameGPU.cu