remove more lazyarray references

Author: yebai

Project.toml

@@ -9,7 +9,6 @@ DynamicPPL = "366bfd00-2699-11ea-058f-f148b4cae6d8"
 Enzyme = "7da242da-08ed-463a-9acd-ee780be4f1d9"
 FiniteDifferences = "26cc04aa-876d-5657-8c51-4c34ba976000"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
-LazyArrays = "5078a376-72f3-5289-bfd5-ec5146d43c02"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 LogDensityProblems = "6fdf6af0-433a-55f7-b3ed-c6c6e0b8df7c"
 MLDatasets = "eb30cadb-4394-5ae3-aed4-317e484a6458"

models/dppl_hier_poisson.jl

@@ -12,8 +12,6 @@ y = mapreduce(λi -> rand(Poisson(λi), nd), vcat, λ)
 x = repeat(logpop, inner=nd)
 idx = repeat(collect(1:ns), inner=nd)
 
-lazyarray(f, x) = LazyArray(Base.broadcasted(f, x))
-
 @model function dppl_hier_poisson(y, x, idx, ns)
     a0 ~ Normal(0, 10)
     a1 ~ Normal(0, 1)