Remove LabKey copyright from adapted code

Author: labkey-adam

LDK/resources/web/LDK/Ext.ux.UnitTest.js

@@ -1,8 +1,3 @@
-/*
- * Copyright (c) 2013-2026 LabKey Corporation
- *
- * Licensed under the Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0
- */
 /**
  * @class Ext.ux.UnitTest
  * A Unit Testing framework designed with an ExtJS user interface

LDK/resources/web/LDK/ux/ColorField.js

@@ -1,8 +1,3 @@
-/*
- * Copyright (c) 2013-2026 LabKey Corporation
- *
- * Licensed under the Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0
- */
 /**
  * Adapted from:
  * http://www.sencha.com/forum/showthread.php?140793-Simple-Ext.ux.ColorField-plugin

LDK/resources/web/LDK/ux/DateTimeField.js

@@ -1,8 +1,3 @@
-/*
- * Copyright (c) 2013-2026 LabKey Corporation
- *
- * Licensed under the Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0
- */
 /**
  * @class Ext.ux.form.field.DateTime
  * @extends Ext.form.FieldContainer