revert: remove dev_config.yaml

Co-authored-by: Ishaan Jaff <ishaan-jaff@users.noreply.github.com>

dev_config.yaml

@@ -1,15 +0,0 @@
-model_list:
-  - model_name: fake-openai-endpoint
-    litellm_params:
-      model: openai/gpt-3.5-turbo-0301
-      api_key: fake-key
-      api_base: https://exampleopenaiendpoint-production.up.railway.app/
-
-litellm_settings:
-  drop_params: True
-  num_retries: 0
-  telemetry: False
-
-general_settings:
-  master_key: sk-1234
-  store_model_in_db: True