Remove writeable

Author: kderusso

server/src/main/java/org/elasticsearch/index/mapper/vectors/IndexOptions.java

@@ -22,15 +22,4 @@ public abstract class IndexOptions implements ToXContent {
     public IndexOptions() {}
 
     public abstract IndexOptions readFrom(StreamInput in) throws IOException;
-
-    public static IndexOptions readIndexOptions(StreamInput in) throws IOException {
-        String className = in.readString(); // Read the class name from the input
-        try {
-            Class<?> clazz = Class.forName(className);
-            IndexOptions instance = (IndexOptions) clazz.getConstructor().newInstance();
-            return instance.readFrom(in);
-        } catch (ReflectiveOperationException e) {
-            throw new IOException("Failed to create instance of " + className, e);
-        }
-    }
 }

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextIndexOptions.java

@@ -9,7 +9,6 @@
 
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.Strings;
-import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.xcontent.support.XContentMapValues;
 import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper;
@@ -43,11 +42,6 @@ public SemanticTextIndexOptions(SupportedIndexOptions type, IndexOptions indexOp
         this.indexOptions = indexOptions;
     }
 
-    public SemanticTextIndexOptions(StreamInput in) throws IOException {
-        this.type = SupportedIndexOptions.fromValue(in.readString());
-        this.indexOptions = IndexOptions.readIndexOptions(in);
-    }
-
     public SupportedIndexOptions type() {
         return type;
     }