Remove duplicated methods (#116337)

Looks like there are two code-paths that do the same thing. This removal just gets rid of one of them.

Author: craigtaverner

server/src/main/java/org/elasticsearch/search/aggregations/metrics/InternalGeoCentroid.java

@@ -13,8 +13,6 @@
 import org.elasticsearch.common.geo.SpatialPoint;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.search.aggregations.InternalAggregation;
-import org.elasticsearch.search.aggregations.support.SamplingContext;
 
 import java.io.IOException;
 import java.util.Map;
@@ -94,9 +92,4 @@ protected String nameSecond() {
     protected double extractSecond(SpatialPoint point) {
         return point.getX();
     }
-
-    @Override
-    public InternalAggregation finalizeSampling(SamplingContext samplingContext) {
-        return new InternalGeoCentroid(name, centroid, samplingContext.scaleUp(count), getMetadata());
-    }
 }

x-pack/plugin/spatial/src/main/java/org/elasticsearch/xpack/spatial/search/aggregations/metrics/InternalCartesianCentroid.java

@@ -10,9 +10,7 @@
 import org.elasticsearch.common.geo.SpatialPoint;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.search.aggregations.InternalAggregation;
 import org.elasticsearch.search.aggregations.metrics.InternalCentroid;
-import org.elasticsearch.search.aggregations.support.SamplingContext;
 import org.elasticsearch.xpack.spatial.common.CartesianPoint;
 
 import java.io.IOException;
@@ -74,11 +72,6 @@ protected InternalCartesianCentroid copyWith(double firstSum, double secondSum,
         return copyWith(result, totalCount);
     }
 
-    @Override
-    public InternalAggregation finalizeSampling(SamplingContext samplingContext) {
-        return new InternalCartesianCentroid(name, centroid, samplingContext.scaleUp(count), getMetadata());
-    }
-
     @Override
     protected String nameFirst() {
         return "x";