hotfix: remove extra unthunk_tangent methods

Author: ToucheSir

src/adjoint.jl

@@ -37,12 +37,6 @@ function unthunk_tangent end
 @inline unthunk_tangent(x) = x
 @inline unthunk_tangent(x::Tuple) = map(unthunk_tangent, x)
 @inline unthunk_tangent(x::NamedTuple) = map(unthunk_tangent, x)
-@inline unthunk_tangent(x::AbstractThunk) = wrap_chainrules_output(unthunk(x))
-@inline unthunk_tangent(x::NTuple{N,<:Number}) where N = x
-@inline unthunk_tangent(x::AbstractArray{<:Number,N}) where N = x
-@inline unthunk_tangent(x::AbstractArray) = map(unthunk_tangent, x)
-unthunk_tangent(d::IdDict) = IdDict([unthunk_tangent(k) => unthunk_tangent(v) for (k, v) in d])
-@non_differentiable unthunk_tangent(::IdDict)
 
 
 function gradm(ex, mut = false, keepthunks = false)