chore(jssp): disable max duration stop condition (#450)

- Clippy
- Disable max duration stop condition

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## Description

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## Linked issues

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## Important implementation details

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examples/jssp/main.rs

@@ -54,7 +54,7 @@ fn run_with_ecrs(instance: JsspInstance, _args: Args) {
         .set_replacement_operator(JsspReplacement::new(JsspPopProvider::new(instance), 0.1, 0.2))
         .set_fitness(JsspFitness::new())
         .set_probe(probe)
-        .set_max_duration(std::time::Duration::from_secs(30))
+        // .set_max_duration(std::time::Duration::from_secs(30))
         .set_max_generation_count(400)
         .set_population_size(pop_size)
         .build();

examples/jssp/problem/fitness.rs

@@ -174,7 +174,7 @@ impl JsspFitness {
                     highest_priority = JsspFitness::op_priority(indv, op.id);
                 }
             });
-        return op_id_with_highest_priority;
+        op_id_with_highest_priority
     }
 
     fn local_search(&mut self, indv: &mut JsspIndividual) -> usize {