Remove varinfo.jl, everything's merged back into DPPL

Author: penelopeysm

test/dynamicppl/varinfo.jl

@@ -87,8 +87,6 @@ end
 
     @testset "DynamicPPL integration" begin
         @timeit_include("dynamicppl/compiler.jl")
-        @timeit_include("dynamicppl/model.jl")
-        @timeit_include("dynamicppl/varinfo.jl")
     end
 
     @testset "utilities" begin