rm uniformscaling addition/subtraction specializations?

Author: dkarrasch

ext/ArrayLayoutsFillArraysExt.jl

@@ -88,20 +88,6 @@ sub_materialize(::OnesLayout, V, ax) = Ones{eltype(V)}(ax)
 @inline LinearAlgebra.dot(a::LayoutVector, b::AbstractFill{<:Any,1}) = FillArrays._fill_dot_rev(a,b)
 @inline LinearAlgebra.dot(a::AbstractFill{<:Any,1}, b::LayoutVector) = FillArrays._fill_dot(a,b)
 
-# TODO: Remove unnecessary _apply
-_apply(_, _, op, Λ::UniformScaling, A::AbstractMatrix) = op(Diagonal(Fill(Λ.λ,(axes(A,1),))), A)
-_apply(_, _, op, A::AbstractMatrix, Λ::UniformScaling) = op(A, Diagonal(Fill(Λ.λ,(axes(A,1),))))
-
-for Typ in (:LayoutMatrix, :(Symmetric{<:Any,<:LayoutMatrix}), :(Hermitian{<:Any,<:LayoutMatrix}),
-            :(Adjoint{<:Any,<:LayoutMatrix}), :(Transpose{<:Any,<:LayoutMatrix}))
-    @eval begin
-        @inline +(A::$Typ, Λ::UniformScaling) = _apply(MemoryLayout(A), size(A), +, A, Λ)
-        @inline +(Λ::UniformScaling, A::$Typ) = _apply(MemoryLayout(A), size(A), +, Λ, A)
-        @inline -(A::$Typ, Λ::UniformScaling) = _apply(MemoryLayout(A), size(A), -, A, Λ)
-        @inline -(Λ::UniformScaling, A::$Typ) = _apply(MemoryLayout(A), size(A), -, Λ, A)
-    end
-end
-
 # equivalent to rescaling
 function materialize!(M::MulAdd{<:DiagonalLayout{<:AbstractFillLayout}})
     checkdimensions(M)