Update test/unit/@node-red/editor-client/ui/search_spec.js to remove copyright

Co-authored-by: Nick O'Leary <nick.oleary@gmail.com>

test/unit/@node-red/editor-client/ui/search_spec.js

@@ -1,19 +1,3 @@
-/**
- * Copyright JS Foundation and other contributors, http://js.foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- **/
-
 const should = require("should");
 const sinon = require("sinon");