[chore] delete the redundant else (#2881)

Co-authored-by: Ayu <14359932+lin-Ayu0v0@user.noreply.gitee.com>

hertzbeat-common/src/main/java/org/apache/hertzbeat/common/entity/job/Job.java

@@ -183,9 +183,8 @@ public class Job {
             Optional<Metrics> metric = e.stream().findAny();
             if (metric.isPresent()) {
                 return metric.get().getPriority();
-            } else {
-                return Byte.MAX_VALUE;
             }
+            return Byte.MAX_VALUE;
         }));
         envConfigmaps = new HashMap<>(8);
     }
@@ -229,9 +228,8 @@ public class Job {
             }
             Set<Metrics> source = priorMetrics.peek();
             return new HashSet<>(source);
-        } else {
-            return Collections.emptySet();
         }
+        return Collections.emptySet();
     }
 
     public void addCollectMetricsData(CollectRep.MetricsData metricsData) {