UI: Clear configured credentials on configuration reset

monkey/monkey_island/cc/ui/src/components/pages/ConfigurePage.js

@@ -236,7 +236,8 @@ class ConfigurePageComponent extends AuthComponent {
       ).then(() => {
       this.removePBAfile(API_PBA_WINDOWS, this.setPbaFilenameWindows)
       this.removePBAfile(API_PBA_LINUX, this.setPbaFilenameLinux)
-    });
+    })
+    .then(this.authFetch('/api/propagation-credentials/configured-credentials', {method: 'DELETE'}));
   };
 
   removePBAfile(apiEndpoint, setFilenameFnc) {