[remove] duplicate definition.

Author: vmarcella

crates/lambda-rs/src/runtimes/mod.rs

@@ -3,23 +3,3 @@ pub use application::{
   ApplicationRuntime,
   ApplicationRuntimeBuilder,
 };
-
-pub trait Runtime {
-  fn on_start(&mut self);
-  fn on_stop(&mut self);
-  fn run(self);
-}
-
-/// Builds & executes a runtime all in one good. It's a good idea to use this if you
-/// don't need to execute any code in between the building & execution stage of
-/// the runnable, but will not impact or modify the runtime in any way.
-pub fn build_and_start_kernel<T: Default + Runtime>() {
-  let runtime = T::default();
-  start_runtime(runtime);
-}
-
-/// Simple function for starting any prebuilt Runnable.
-pub fn start_runtime<T: Runtime>(mut runtime: T) {
-  runtime.on_start();
-  runtime.run();
-}