Unnecessary cu call

Since `similar` will make a CuMatrix

Author: ChrisRackauckas

lib/ArrayInterfaceCUDA/src/ArrayInterfaceCUDA.jl

@@ -11,7 +11,7 @@ function ArrayInterface.lu_instance(A::CuMatrix{T}) where {T}
     if VERSION >= v"1.8-"
         ipiv = cu(Vector{Int32}(undef, 0))
         info = zero(Int)
-        return LinearAlgebra.LU(cu(similar(A, 0, 0)), ipiv, info)
+        return LinearAlgebra.LU(similar(A, 0, 0), ipiv, info)
     else
         LinearAlgebra.lu(A; check = false)
     end