refac: byebye litellm

.env.example

@@ -10,8 +10,4 @@ OPENAI_API_KEY=''
 # DO NOT TRACK
 SCARF_NO_ANALYTICS=true
 DO_NOT_TRACK=true
-ANONYMIZED_TELEMETRY=false
-
-# Use locally bundled version of the LiteLLM cost map json
-# to avoid repetitive startup connections
-LITELLM_LOCAL_MODEL_COST_MAP="True"
+ANONYMIZED_TELEMETRY=false