Fix some gnome-specific naughtiness.

indra/newview/linux_tools/register_secondlifeprotocol.sh

@@ -76,9 +76,4 @@ else
 		fi
 	fi
 fi
-gdbus call --session \
-    --dest=org.freedesktop.Notifications \
-    --object-path=/org/freedesktop/Notifications \
-    --method=org.freedesktop.Notifications.Notify \
-    "" 0 "" 'SLURL Handler' 'SLURL association created.' \
-    '[]' '{"urgency": <1>}' 5000
+notify-send -t 5000 -i info "Second Life URL Handler" "SLURL association created"