Remove duplicate orderBy method in measure query. (#67)

Author: wu-sheng

src/main/java/org/apache/skywalking/banyandb/v1/client/MeasureQuery.java

@@ -136,11 +136,6 @@ public MeasureQuery offset(int offset) {
         return this;
     }
 
-    public MeasureQuery orderBy(String tagName, Sort sort) {
-        this.orderBy = new OrderBy(tagName, sort);
-        return this;
-    }
-
     /**
      * @return QueryRequest for gRPC level query.
      */