fix: remove some unused fields.

hippo4j-common/src/main/java/cn/hippo4j/common/extension/reducer/Reducer.java

@@ -29,9 +29,6 @@ import java.util.List;
 
 public abstract class Reducer<Element, Result> {
 
-    @Getter
-    private boolean hasBreak = false;
-
     @Getter
     private Result result;
 
@@ -47,18 +44,4 @@ public abstract class Reducer<Element, Result> {
 
     public abstract Result reduce();
 
-    public boolean willBreak() {
-        return false;
-    }
-
-    public void setResult(Result result) {
-        this.result = result;
-    }
-
-    public abstract ReduceType reducerType();
-
-    public String reduceName() {
-        return this.getClass().getSimpleName();
-    }
-
 }