chore: update postgres_demo distro config (#2396)

# What does this PR do?


## Test Plan

llama_stack/templates/postgres-demo/run.yaml

@@ -9,11 +9,6 @@ apis:
 - vector_io
 providers:
   inference:
-  - provider_id: fireworks
-    provider_type: remote::fireworks
-    config:
-      url: https://api.fireworks.ai/inference/v1
-      api_key: ${env.FIREWORKS_API_KEY:}
   - provider_id: vllm-inference
     provider_type: remote::vllm
     config:
@@ -21,6 +16,9 @@ providers:
       max_tokens: ${env.VLLM_MAX_TOKENS:4096}
       api_token: ${env.VLLM_API_TOKEN:fake}
       tls_verify: ${env.VLLM_TLS_VERIFY:true}
+  - provider_id: sentence-transformers
+    provider_type: inline::sentence-transformers
+    config: {}
   vector_io:
   - provider_id: ${env.ENABLE_CHROMADB+chromadb}
     provider_type: remote::chromadb
@@ -54,7 +52,8 @@ providers:
     provider_type: inline::meta-reference
     config:
       service_name: ${env.OTEL_SERVICE_NAME:}
-      sinks: ${env.TELEMETRY_SINKS:console}
+      sinks: ${env.TELEMETRY_SINKS:console,otel_trace}
+      otel_trace_endpoint: ${env.OTEL_TRACE_ENDPOINT:http://localhost:4318/v1/traces}
   tool_runtime:
   - provider_id: brave-search
     provider_type: remote::brave-search
@@ -88,127 +87,15 @@ inference_store:
   user: ${env.POSTGRES_USER:llamastack}
   password: ${env.POSTGRES_PASSWORD:llamastack}
 models:
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p1-8b-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-8b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.1-8B-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-8b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p1-70b-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-70b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.1-70B-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-70b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p1-405b-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-405b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.1-405B-Instruct-FP8
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p1-405b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p2-3b-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-3b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.2-3B-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-3b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p2-11b-vision-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-11b-vision-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.2-11B-Vision-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-11b-vision-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p2-90b-vision-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-90b-vision-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.2-90B-Vision-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p2-90b-vision-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-v3p3-70b-instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p3-70b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-3.3-70B-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-v3p3-70b-instruct
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-guard-3-8b
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-guard-3-8b
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-Guard-3-8B
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-guard-3-8b
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama-guard-3-11b-vision
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-guard-3-11b-vision
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-Guard-3-11B-Vision
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama-guard-3-11b-vision
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama4-scout-instruct-basic
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama4-scout-instruct-basic
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-4-Scout-17B-16E-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama4-scout-instruct-basic
-  model_type: llm
-- metadata: {}
-  model_id: accounts/fireworks/models/llama4-maverick-instruct-basic
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama4-maverick-instruct-basic
-  model_type: llm
-- metadata: {}
-  model_id: meta-llama/Llama-4-Maverick-17B-128E-Instruct
-  provider_id: fireworks
-  provider_model_id: accounts/fireworks/models/llama4-maverick-instruct-basic
-  model_type: llm
-- metadata:
-    embedding_dimension: 768
-    context_length: 8192
-  model_id: nomic-ai/nomic-embed-text-v1.5
-  provider_id: fireworks
-  provider_model_id: nomic-ai/nomic-embed-text-v1.5
-  model_type: embedding
 - metadata: {}
   model_id: ${env.INFERENCE_MODEL}
   provider_id: vllm-inference
   model_type: llm
+- metadata:
+    embedding_dimension: 384
+  model_id: all-MiniLM-L6-v2
+  provider_id: sentence-transformers
+  model_type: embedding
 shields:
 - shield_id: meta-llama/Llama-Guard-3-8B
 vector_dbs: []