message: Put unused type parameter back into use
diff: @@ -155,11 +155,7 @@ impl<'a> Transaction<'a> {
  }
  /// Like `Client::execute_iter`.
  - pub async fn execute_raw<'b, I, T>(
  - &self,
  - statement: &Statement,
  - params: I,
  - ) -> Result<u64, Error>
  + pub async fn execute_raw<'b, I, T>(&self, statement: &T, params: I) -> Result<u64, Error>
  where
  T: ?Sized + ToStatement,
  I: IntoIterator<Item = &'b dyn ToSql>,
  