🔨 Rework Distribution Layers and distribution utils

tests/layers/test_distributions.py

@@ -1,22 +1 @@
-import pytest
-
-from torch_uncertainty.layers.distributions import (
-    LaplaceLayer,
-    NormalLayer,
-    TUDist,
-)
-
-
-class TestDistributions:
-    def test(self):
-        TUDist.__abstractmethods__ = set()
-        dist = TUDist(dim=1)
-        dist.forward(None)
-
-    def test_errors(self):
-        with pytest.raises(ValueError):
-            NormalLayer(-1, 1)
-        with pytest.raises(ValueError):
-            NormalLayer(1, -1)
-        with pytest.raises(ValueError):
-            LaplaceLayer(1, -1)
+class TestDistributions: ...