undo SafetyConfig, fix pre-commit

llama_stack/distributions/starter-gpu/run-with-postgres-store.yaml

@@ -46,9 +46,6 @@ providers:
       api_key: ${env.TOGETHER_API_KEY:=}
   - provider_id: bedrock
     provider_type: remote::bedrock
-    config:
-      api_key: ${env.AWS_BEDROCK_API_KEY:=}
-      region_name: ${env.AWS_DEFAULT_REGION:=us-east-2}
   - provider_id: ${env.NVIDIA_API_KEY:+nvidia}
     provider_type: remote::nvidia
     config:
@@ -262,9 +259,6 @@ storage:
     conversations:
       table_name: openai_conversations
       backend: sql_default
-    prompts:
-      namespace: prompts
-      backend: kv_default
 registered_resources:
   models: []
   shields:
@@ -292,5 +286,3 @@ vector_stores:
   default_embedding_model:
     provider_id: sentence-transformers
     model_id: nomic-ai/nomic-embed-text-v1.5
-safety:
-  default_shield_id: llama-guard