### Description

Currently, support for time zones is very limited. 
We should remove it for now and re-add it when it'll be supported more broadly, at a later time. 
x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/action/EsqlQueryRequestTests.java
expected = expected.replaceAll("\r\n", "\n")
            .replaceAll("\s*<\\d+>", "")
            .replaceAll("FROM test \\| STATS MAX\\(d\\) by a, b", query)
            .replaceAll("5326", Integer.toString(id))
            .replaceAll("2j8UKw1bRO283PMwDugNNg", localNode)
            .replaceAll("2023-07-31T15:46:32\\.328Z", DateFieldMapper.DEFAULT_DATE_TIME_FORMATTER.formatMillis(taskInfo.startTime()))
            .replaceAll("1690818392328", Long.toString(taskInfo.startTime()))
            .replaceAll("41.7ms", TimeValue.timeValueNanos(taskInfo.runningTimeNanos()).toString())
            .replaceAll("41770830", Long.toString(taskInfo.runningTimeNanos()))
            .trim();
        assertThat(json, equalTo(expected));
    }
    private List<TypedParamValue> randomParameters() {
        if (randomBoolean()) {
            return Collections.emptyList();
        } else {
            int len = randomIntBetween(1, 10);
            List<TypedParamValue> arr = new ArrayList<>(len);
            for (int i = 0; i < len; i++) {
                boolean hasExplicitType = randomBoolean();
                @SuppressWarnings("unchecked")
                Supplier<TypedParamValue> supplier = randomFrom(
                    () -> new TypedParamValue("boolean", randomBoolean(), hasExplicitType),
                    () -> new TypedParamValue("integer", randomInt(), hasExplicitType),
                    () -> new TypedParamValue("long", randomLong(), hasExplicitType),
                    () -> new TypedParamValue("double", randomDouble(), hasExplicitType),
                    () -> new TypedParamValue("null", null, hasExplicitType),
                    () -> new TypedParamValue("keyword", randomAlphaOfLength(10), hasExplicitType)
                );
                arr.add(supplier.get());