fix clippy warnings

src/handlers/starboard.rs

@@ -5,11 +5,9 @@ use crate::schema::{server_settings, starboard_mappings};
 
 use anyhow::Context as AnyhowContext;
 use bigdecimal::{BigDecimal, FromPrimitive, ToPrimitive};
-use diesel::{BoolExpressionMethods, ExpressionMethods, PgConnection, QueryDsl, RunQueryDsl};
+use diesel::{ExpressionMethods, PgConnection, QueryDsl, RunQueryDsl};
 use serenity::async_trait;
-use serenity::model::prelude::{
-	ChannelId, Embed, EmojiId, GuildChannel, GuildId, Message, Reaction, ReactionType,
-};
+use serenity::model::prelude::{ChannelId, EmojiId, GuildId, Message, Reaction, ReactionType};
 use serenity::prelude::*;
 use std::sync::Arc;
 use tokio::sync::Mutex;