Remove remaining references to dead stuff

Author: penelopeysm

src/debug_utils.jl

@@ -475,7 +475,7 @@ and checking if the model is consistent across runs.
 function has_static_constraints(
     rng::Random.AbstractRNG, model::Model; num_evals::Int=5, error_on_failure::Bool=false
 )
-    new_model = DynamicPPL.contextualize(model, SamplingContext(rng, SampleFromPrior()))
+    new_model = DynamicPPL.contextualize(model, InitContext(rng))
     results = map(1:num_evals) do _
         check_model_and_trace(new_model, VarInfo(); error_on_failure=error_on_failure)
     end

test/debug_utils.jl

@@ -149,7 +149,7 @@
             model = demo_missing_in_multivariate([1.0, missing])
             # Have to run this check_model call with an empty varinfo, because actually
             # instantiating the VarInfo would cause it to throw a MethodError.
-            model = contextualize(model, SamplingContext())
+            model = contextualize(model, InitContext())
             @test_throws ErrorException check_model(model, VarInfo(); error_on_failure=true)
         end
 

test/lkj.jl

@@ -67,7 +67,6 @@ include("test_util.jl")
         include("linking.jl")
         include("serialization.jl")
         include("pointwise_logdensities.jl")
-        include("lkj.jl")
         include("contexts.jl")
         include("context_implementations.jl")
         include("threadsafe.jl")