message: Remove uneeded Sync bounds
diff: @@ -95,7 +95,7 @@ use crate::{Client, RUNTIME};
  pub struct Config {
  config: tokio_postgres::Config,
  // this is an option since we don't want to boot up our default runtime unless we're actually going to use it.
  - executor: Option<Arc<Mutex<dyn Executor + Sync + Send>>>,
  + executor: Option<Arc<Mutex<dyn Executor + Send>>>,
  }
  impl fmt::Debug for Config {
  @@ -239,7 +239,7 @@ impl Config {
  /// Defaults to a postgres-specific tokio `Runtime`.
  pub fn executor<E>(&mut self, executor: E) -> &mut Config
  where
  - E: Executor + 'static + Sync + Send,
  + E: Executor + 'static + Send,
  {
  self.executor = Some(Arc::new(Mutex::new(executor)));
  self
  