Remove missing CATEGORY enum constant from Csv tests

x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/CsvAssert.java

@@ -33,7 +33,6 @@
 import static org.elasticsearch.common.logging.LoggerMessageFormat.format;
 import static org.elasticsearch.xpack.esql.CsvTestUtils.ExpectedResults;
 import static org.elasticsearch.xpack.esql.CsvTestUtils.Type;
-import static org.elasticsearch.xpack.esql.CsvTestUtils.Type.CATEGORY;
 import static org.elasticsearch.xpack.esql.CsvTestUtils.Type.UNSIGNED_LONG;
 import static org.elasticsearch.xpack.esql.CsvTestUtils.logMetaData;
 import static org.elasticsearch.xpack.esql.core.util.DateUtils.UTC_DATE_TIME_FORMATTER;

x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/CsvTestUtils.java

@@ -478,8 +478,7 @@ public enum Type {
         GEO_POINT(x -> x == null ? null : GEO.wktToWkb(x), BytesRef.class),
         CARTESIAN_POINT(x -> x == null ? null : CARTESIAN.wktToWkb(x), BytesRef.class),
         GEO_SHAPE(x -> x == null ? null : GEO.wktToWkb(x), BytesRef.class),
-        CARTESIAN_SHAPE(x -> x == null ? null : CARTESIAN.wktToWkb(x), BytesRef.class),
-        CATEGORY(Object::toString, BytesRef.class);
+        CARTESIAN_SHAPE(x -> x == null ? null : CARTESIAN.wktToWkb(x), BytesRef.class);
 
         private static final Map<String, Type> LOOKUP = new HashMap<>();