remove unused method

src/base-apis.js

@@ -887,32 +887,6 @@ MatrixBaseApis.prototype.sendStateEvent = function(roomId, eventType, content, s
     );
 };
 
-/**
- * @param {string} roomId
- * @param {string} eventId
- * @param {string} [txnId]  transaction id. One will be made up if not
- *    supplied.
- * @param {module:client.callback} callback Optional.
- * @return {module:client.Promise} Resolves: TODO
- * @return {module:http-api.MatrixError} Rejects: with an error response.
- */
-MatrixBaseApis.prototype.sendRedaction = function(
-    roomId, eventId, txnId, callback,
-) {
-    if (arguments.length === 3) {
-        callback = txnId;
-    }
-
-    const path = utils.encodeUri("/rooms/$roomId/redact/$eventId/$txnId", {
-        $roomId: roomId,
-        $eventId: eventId,
-        $txnId: txnId ? txnId : this.makeTxnId(),
-    });
-
-    return this._http.authedRequest(callback, "PUT", path, undefined, {});
-};
-
-
 /**
  * @param {string} roomId
  * @param {Number} limit