Cleanup unused message embedding code

Fixup some warnings

src/bin/test_daily_summary.rs

@@ -1,7 +1,7 @@
 use anyhow::Result;
 use chrono::NaiveDate;
 use clap::Parser;
-use image_api::ai::{strip_summary_boilerplate, OllamaClient, SmsApiClient};
+use image_api::ai::{OllamaClient, SmsApiClient, strip_summary_boilerplate};
 use image_api::database::{DailySummaryDao, InsertDailySummary, SqliteDailySummaryDao};
 use std::env;
 use std::sync::{Arc, Mutex};