Revert "Check for lxqt-applications instead of razor-applications"

This reverts commit 4dc8d411077cd6739735de85aae28588e6f9a9db.

Signed-off-by: Luís Pereira <luis.artur.pereira@gmail.com>
Revert "Change default environment to LXQt"

This reverts commit 3db8dc34b675524e333a1fb9377c668b9ca0e4ea.

Signed-off-by: Luís Pereira <luis.artur.pereira@gmail.com>
libqtxdg 0.5.1

Signed-off-by: Luís Pereira <luis.artur.pereira@gmail.com>