WIP: switch to announcement, remove extract input mess

tests/tracing/with_tracing.rs

@@ -1,6 +1,6 @@
 //! Tests with tracing feature enabled
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use tracing_subscriber::{fmt, EnvFilter};
 
 struct Value(i32);

tests/tracing/without_tracing.rs

@@ -1,6 +1,6 @@
 //! Tests that the library works correctly without tracing feature
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 struct Value(i32);