ElasticSearchRequest: ES1.0 no longer returns "ok" in responses

See elastic/elasticsearch#4310

The code that checks for a 200 response code will pick up any errors.

Lib/ElasticSearchRequest.php

@@ -131,9 +131,6 @@ public function createRecord($data, $request = array()) {
 		$request['uri']['path'] .= '/'; // automatic ID creation
 		$request['body'] = $this->asJson($data);
 		$data = $this->request($request);
-		if (empty($data['ok'])) {
-			throw new ElasticSearchRequestException('create record exception - response not ok: ' . json_encode($data));
-		}
 		if (!empty($data['_id'])) {
 			return $data['_id'];
 		}
@@ -147,9 +144,6 @@ public function updateRecord($id, $data, $request = array()) {
 		$request['uri']['path'] .= "/{$id}"; // explicit id = overwrite
 		$request['body'] = $this->asJson($data);
 		$data = $this->request($request);
-		if (empty($data['ok'])) {
-			throw new ElasticSearchRequestException('update record exception - response not ok: ' . json_encode($data));
-		}
 		if (!empty($data['_id'])) {
 			return $data['_id'];
 		}