fix CUDA permutedims

Author: GiggleLiu

src/cuda.jl

@@ -27,21 +27,4 @@ end
 
 function togpu(t::LabeledTensor)
     LabeledTensor(CuArray(t.array), t.labels)
-end
-
-function GPUArrays.genperm(I::NTuple{N}, perm::NTuple{N}) where N
-    ntuple(d-> (@inbounds return I[perm[d]]), Val(N))
-end
-
-function LinearAlgebra.permutedims!(dest::GPUArrays.AbstractGPUArray, src::GPUArrays.AbstractGPUArray, perm)
-    perm isa Tuple || (perm = Tuple(perm))
-    size_dest = size(dest)
-    size_src = size(src)
-    CUDA.gpu_call(vec(dest), vec(src), perm; name="permutedims!") do ctx, dest, src, perm
-        i = @linearidx src
-        I = l2c(size_src, i)
-        @inbounds dest[c2l(size_dest, GPUArrays.genperm(I, perm))] = src[i]
-        return
-    end
-    return reshape(dest, size(dest))
 end