Re-implement deprecated option --id

Despite `--title`, `--literal` etc being deprecated,
`--id` is still documented in youtube-dl and so should be kept

yt_dlp/options.py

@@ -975,6 +975,9 @@ def parseOpts(overrideArguments=None):
         '--no-batch-file',
         dest='batchfile', action='store_const', const=None,
         help='Do not read URLs from batch file (default)')
+    filesystem.add_option(
+        '--id', default=False,
+        action='store_true', dest='useid', help=optparse.SUPPRESS_HELP)
     filesystem.add_option(
         '-P', '--paths',
         metavar='[TYPES:]PATH', dest='paths', default={}, type='str',