ytdl_hook: remove some old playlist redirection hack

Should not be needed anymore. In fact, it's probably dangerous.

player/lua/ytdl_hook.lua

@@ -888,12 +888,6 @@ function run_ytdl_hook(url)
             end
 
             mp.set_property("stream-open-filename", "memory://" .. table.concat(playlist, "\n"))
-
-            -- This disables mpv's mushy playlist security code, which will
-            -- break links that will be resolved to EDL later (because EDL is
-            -- not considered "safe", and the playlist entries got tagged as
-            -- network originating due to the playlist redirection).
-            mp.set_property_native("file-local-options/load-unsafe-playlists", true)
         end
 
     else -- probably a video