Move runpod provider to the correct directory

Also cleanup the test code to avoid skipping tests. Let failures be
known and public.

llama_stack/providers/remote/inference/runpod/__init__.py

@@ -0,0 +1,17 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from .config import RunpodImplConfig
+from .runpod import RunpodInferenceAdapter
+
+
+async def get_adapter_impl(config: RunpodImplConfig, _deps):
+    assert isinstance(
+        config, RunpodImplConfig
+    ), f"Unexpected config type: {type(config)}"
+    impl = RunpodInferenceAdapter(config)
+    await impl.initialize()
+    return impl