remove validation methods in client (#41754)

remove validation methods in client (#41754)

client/rest-high-level/src/main/java/org/elasticsearch/client/dataframe/transforms/QueryConfig.java

@@ -74,7 +74,4 @@ public class QueryConfig implements ToXContentObject {
         return Objects.equals(this.query, that.query);
     }
 
-    public boolean isValid() {
-        return this.query != null;
-    }
 }

client/rest-high-level/src/main/java/org/elasticsearch/client/dataframe/transforms/pivot/AggregationConfig.java

@@ -74,7 +74,4 @@ public class AggregationConfig implements ToXContentObject {
         return Objects.equals(this.aggregations, that.aggregations);
     }
 
-    public boolean isValid() {
-        return this.aggregations != null;
-    }
 }

client/rest-high-level/src/main/java/org/elasticsearch/client/dataframe/transforms/pivot/GroupConfig.java

@@ -138,10 +138,6 @@ public class GroupConfig implements ToXContentObject {
         return groups;
     }
 
-    public boolean isValid() {
-        return this.groups != null;
-    }
-
     @Override
     public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
         builder.startObject();

client/rest-high-level/src/main/java/org/elasticsearch/client/dataframe/transforms/pivot/PivotConfig.java

@@ -97,10 +97,6 @@ public class PivotConfig implements ToXContentObject {
         return Objects.hash(groups, aggregationConfig);
     }
 
-    public boolean isValid() {
-        return groups.isValid() && aggregationConfig.isValid();
-    }
-
     public static Builder builder() {
         return new Builder();
     }