Fix clippy warnings

Author: joeydewaal

sqlx-mysql/src/connection/mod.rs

@@ -1,6 +1,5 @@
 use std::fmt::{self, Debug, Formatter};
 
-use futures_util::FutureExt;
 pub(crate) use sqlx_core::connection::*;
 pub(crate) use stream::{MySqlStream, Waiting};
 

sqlx-sqlite/src/connection/mod.rs

@@ -8,7 +8,6 @@ use std::ptr;
 use std::ptr::NonNull;
 
 use futures_intrusive::sync::MutexGuard;
-use futures_util::future;
 use libsqlite3_sys::{
     sqlite3, sqlite3_commit_hook, sqlite3_progress_handler, sqlite3_rollback_hook,
     sqlite3_update_hook, SQLITE_DELETE, SQLITE_INSERT, SQLITE_UPDATE,

sqlx-sqlite/src/options/connect.rs

@@ -1,5 +1,4 @@
 use crate::{SqliteConnectOptions, SqliteConnection};
-use futures_core::future::BoxFuture;
 use log::LevelFilter;
 use sqlx_core::connection::ConnectOptions;
 use sqlx_core::error::Error;