rm softmax method

Author: MikeInnes

src/nnpack/interface.jl

@@ -6,15 +6,9 @@ function check_support(x, k, pad, stride, dilation = 1)
     return pad_, stride_, fallback
 end
 
-softmax!(x::A) where A<:AbstractVecOrMat{Float32} =
-    nnp_softmax_output(x, x)
-
 softmax!(y::A, x::A) where A<:AbstractVecOrMat{Float32} =
     nnp_softmax_output(x, y)
 
-softmax(x::A) where A<:AbstractVecOrMat{Float32} =
-    nnp_softmax_output(x, similar(x))
-
 function maxpool(x::A, k; pad = map(_->0,k), stride = k) where A<:AbstractArray{Float32, 4}
     pad_, stride_, fallback = check_support(x, k, pad, stride)
     if fallback