WIP: Backport of "gst-uninstalled: Don't add plugin paths to PATH or LD_LIBRARY_PATH" into 1.16
Backport of !76 (merged) "gst-uninstalled: Don't add plugin paths to PATH or LD_LIBRARY_PATH".
Needs manual intervention, cherry-picking failed!
Commits:
- c6613d8d gst-uninstalled: Don't add plugin paths to PATH or LD_LIBRARY_PATH