Remove missing_debug_implementations lint

tester/src/lib.rs

@@ -91,7 +91,6 @@ where
     }
 }
 
-#[allow(missing_debug_implementations)]
 pub struct Tester<P: Program> {
     viewport: Size,
     mode: emulator::Mode,
@@ -144,7 +143,6 @@ pub enum Message {
     Confirm,
 }
 
-#[allow(missing_debug_implementations)]
 pub enum Tick<P: Program> {
     Tester(Message),
     Program(P::Message),

tester/src/recorder.rs

@@ -19,7 +19,6 @@ pub fn recorder<'a, Message, Renderer>(
     Recorder::new(content)
 }
 
-#[allow(missing_debug_implementations)]
 pub struct Recorder<'a, Message, Renderer> {
     content: Element<'a, Message, Theme, Renderer>,
     on_record: Option<Box<dyn Fn(Interaction) -> Message + 'a>>,