JBDS-4047 uninstaller does not clean up path
JBDS-4047 uninstaller does not clean up path

Fix corrects target folder path being used for
filtering Path variable entries. It changes root folder
to be one level up from uninstaller folder.

redhat-developer-tooling/developer-platform-install,redhat-developer-tooling/developer-platform-install,dgolovin/developer-platform-install,dgolovin/developer-platform-install