float64 fixup

Author: MikeInnes

src/nnpack/interface.jl

@@ -63,9 +63,6 @@ end
 crosscor!(y::A1, x::A1, w::A1, b::A2; pad = 0, stride = 1, dilation = 1, algo = UInt32(0)) where {A1<:AbstractArray{Float32, 4}, A2<:AbstractArray{Float32, 1}} =
     conv!(y, x, w, b, pad = pad, stride = stride, dilation = dilation, algo = algo, flipkernel = 1)
 
-∇conv_data(dy::A, x::A, w::A; pad = 0, stride = 1, dilation = 1, algo = UInt32(0)) where A<:AbstractArray{Float64, 4} =
-    ∇conv_data(Float32.(dy), Float32.(x), Float32.(w), pad = pad, stride = stride, dilation = dilation, algo = algo)
-
 function ∇conv_data(dy::A, x::A, w::A; pad = 0, stride = 1, dilation = 1, algo = UInt32(0)) where A<:AbstractArray{Float32, 4}
     pad_, stride_, fallback = check_support(x, (size(w, 1), size(w, 2)), pad, stride, dilation)
     if fallback