fix: remove unused imports and resolve config module conflicts

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/modes/delete.rs

@@ -3,6 +3,7 @@ use std::fs;
 use std::path::PathBuf;
 
 use crate::db;
+use crate::config;
 use clap::Command;
 use clap::error::ErrorKind;
 use log::{debug, warn};
@@ -10,8 +11,8 @@ use rusqlite::Connection;
 
 pub fn mode_delete(
     cmd: &mut Command,
-    _settings: &crate::config::Settings,
-    _config: &crate::config::Config,
+    _settings: &config::Settings,
+    _config: &config::Config,
     ids: &mut Vec<i64>,
     tags: &mut Vec<String>,
     conn: &mut Connection,