rm gradient definitions, now in Zygote 0.6

Author: Michael Abbott

Project.toml

@@ -38,7 +38,7 @@ NNlib = "0.7"
 Reexport = "0.2"
 StatsBase = "0.33"
 ZipFile = "0.9"
-Zygote = "0.5"
+Zygote = "0.6"
 julia = "1.5"
 
 [extras]

src/deprecations.jl

@@ -31,44 +31,3 @@ function Broadcast.broadcasted(::typeof(logitbinarycrossentropy), ŷ, y)
     @warn "logitbinarycrossentropy.(ŷ, y) is deprecated, use Losses.logitbinarycrossentropy(ŷ, y, agg=identity) instead"
     Losses.logitbinarycrossentropy(ŷ, y, agg=identity)
 end
-
-
-# To move to Zygote
-
-using Base.Broadcast: broadcasted
-
-
-Zygote.@adjoint function broadcasted(::typeof(+), a::AbstractArray{<:Number}, b::Bool)
-  y = b === false ? a : a .+ b
-  y, Δ -> (nothing, Δ, nothing)
-end
-Zygote.@adjoint function broadcasted(::typeof(+), b::Bool, a::AbstractArray{<:Number})
-  y = b === false ? a : b .+ a
-  y, Δ -> (nothing, nothing, Δ)
-end
-
-
-Zygote.@adjoint function broadcasted(::typeof(-), a::AbstractArray{<:Number}, b::Bool)
-  y = b === false ? a : a .- b
-  y, Δ -> (nothing, Δ, nothing)
-end
-Zygote.@adjoint function broadcasted(::typeof(-), b::Bool, a::AbstractArray{<:Number})
-  b .- a, Δ -> (nothing, nothing, .-Δ)
-end
-
-
-Zygote.@adjoint function broadcasted(::typeof(*), a::AbstractArray{<:Number}, b::Bool)
-  if b === false
-    zero(a), Δ -> (nothing, zero(Δ), nothing)
-  else
-    a, Δ -> (nothing, Δ, nothing)
-  end
-end
-Zygote.@adjoint function broadcasted(::typeof(*), b::Bool, a::AbstractArray{<:Number})
-  if b === false
-    zero(a), Δ -> (nothing, nothing, zero(Δ))
-  else
-    a, Δ -> (nothing, nothing, Δ)
-  end
-end
-