As a result of applying this how-to article, your Knowledge Base panel is hidden in a specific Service Desk project.
<script type="text/javascript">
if(document.URL.indexOf("/jira/browse/SDS-") >= 0){
window.onload = function() {
document.getElementById('knowledgebase-issueview-panel').style.display = 'none';
}
};
</script>Reach out to us for any professional Atlassian support.