Simplify typify of Generators in JAXLinker

pytensor/link/jax/linker.py

@@ -117,10 +117,8 @@ class JAXLinker(JITLinker):
         for n in self.fgraph.inputs:
             sinput = storage_map[n]
             if isinstance(sinput[0], Generator):
-                new_value = jax_typify(
-                    sinput[0], dtype=getattr(sinput[0], "dtype", None)
-                )
-                sinput[0] = new_value
+                # Neet to convert Generator into JAX PRNGkey
+                sinput[0] = jax_typify(sinput[0])
             thunk_inputs.append(sinput)
 
         return thunk_inputs