fix(main): remove dead OCI embedding elif block

The earlier elif at line 5119 already routes OCI embeddings through the
base HTTP handler with the headers None-guard, so the later identical
block was unreachable dead code.

litellm/main.py

@@ -5814,22 +5814,6 @@ def embedding(  # noqa: PLR0915
                 aembedding=aembedding,
                 litellm_params={},
             )
-        elif custom_llm_provider == "oci":
-            response = base_llm_http_handler.embedding(
-                model=model,
-                input=input,
-                custom_llm_provider=custom_llm_provider,
-                api_base=api_base,
-                api_key=api_key,
-                logging_obj=logging,
-                timeout=timeout,
-                model_response=EmbeddingResponse(),
-                optional_params=optional_params,
-                client=client,
-                aembedding=aembedding,
-                litellm_params=litellm_params_dict,
-                headers=headers,
-            )
         elif custom_llm_provider in litellm._custom_providers:
             custom_handler: Optional[CustomLLM] = None
             for item in litellm.custom_provider_map: