You can uninstall this product using Installation Manager response files.
Using Installation Manager, you can work with response files to uninstall the product in a variety of ways. You can record a response file using the GUI as described in the following procedure, or you can generate a new response file by hand or by taking an example and modifying it.
<?xml version="1.0" encoding="UTF-8"?>
<agent-input clean='true' temporary='true'>
<uninstall modify='false'>
<offering id='com.ibm.websphere.ND.v85'
profile='IBM WebSphere Application Server V8.5'/>
</uninstall>
<profile id='IBM WebSphere Application Server V8.5'
installLocation='C:\Program Files\IBM\WebSphere\AppServer'>
<data key='eclipseLocation' value='C:\Program Files\IBM\WebSphere\AppServer'/>
<data key='user.import.profile' value='false'/>
<data key='cic.selector.nl' value='cs,de,en,es,fr,hu,it,ja,ko,pl,pt_BR,ro,ru,zh,zh_HK,zh_TW'/>
</profile>
</agent-input>