code refactoring

modules/dnn/include/opencv2/dnn/dnn.hpp

@@ -347,8 +347,6 @@ CV__DNN_INLINE_NS_BEGIN
     {
     public:
 
-        Ptr<LayerInfo> data;
-
         /** @brief Computes and sets internal parameters according to inputs, outputs and blobs.
          *  @deprecated Use Layer::finalize(InputArrayOfArrays, OutputArrayOfArrays) instead
          *  @param[in]  input  vector of already allocated input blobs

modules/dnn/src/layers/conv2_layer.cpp

@@ -794,7 +794,6 @@ public:
         if (!conv || !backendCtx || !conv->cudaSupported())
             return Ptr<Layer>();
         Ptr<CUDAConv2Layer> layer(new CUDAConv2Layer(conv, backendCtx));
-        layer->data = data;
         layer->name = conv->name;
         layer->type = conv->type;
         layer->inputs = conv->inputs;

modules/dnn/src/op_cuda.cpp

@@ -24,7 +24,6 @@ public:
         if (!impl || !backendCtx || !impl->supportBackend(DNN_BACKEND_CUDA))
             return Ptr<Layer>();  // unsupported -> CPU fallback
         Ptr<CUDALegacyExec> e(new CUDALegacyExec(impl, backendCtx));
-        e->data = data;
         e->name = impl->name;
         e->type = impl->type;
         e->inputs = impl->inputs;