refactor: removed inccorect laplace.py and moved inla into seperate folder

Author: Michal-Novomestsky

pymc_extras/inference/INLA/__init__.py

@@ -19,7 +19,6 @@ def fit_INLA(
     **sampler_kwargs,
 ) -> az.InferenceData:
     warnings.warn("Currently only valid for a nested normal model. WIP.", UserWarning)
-    # TODO ADD CHECK FOR NESTED NORMAL
 
     model = pm.modelcontext(model)
 

pymc_extras/inference/inla.py renamed to pymc_extras/inference/INLA/inla.py

@@ -13,7 +13,7 @@
 #   limitations under the License.
 
 from pymc_extras.inference.fit import fit
-from pymc_extras.inference.inla import fit_INLA
+from pymc_extras.inference.INLA.inla import fit_INLA
 from pymc_extras.inference.laplace_approx.find_map import find_MAP
 from pymc_extras.inference.laplace_approx.laplace import fit_laplace
 from pymc_extras.inference.pathfinder.pathfinder import fit_pathfinder