[options] Rename `--clean-infojson` to `--clean-info-json`

README.md

@@ -1895,11 +1895,13 @@ These options are not intended to be used by the end-user
 These are aliases that are no longer documented for various reasons
 
     --avconv-location                --ffmpeg-location
+    --clean-infojson                 --clean-info-json
     --cn-verification-proxy URL      --geo-verification-proxy URL
     --dump-headers                   --print-traffic
     --dump-intermediate-pages        --dump-pages
     --force-write-download-archive   --force-write-archive
     --load-info                      --load-info-json
+    --no-clean-infojson              --no-clean-info-json
     --no-split-tracks                --no-split-chapters
     --no-write-srt                   --no-write-subs
     --prefer-unsecure                --prefer-insecure

yt_dlp/options.py

@@ -1208,13 +1208,13 @@ def create_parser():
         action='store_false', dest='allow_playlist_files',
         help='Do not write playlist metadata when using --write-info-json, --write-description etc.')
     filesystem.add_option(
-        '--clean-infojson',
+        '--clean-info-json', '--clean-infojson',
         action='store_true', dest='clean_infojson', default=None,
         help=(
             'Remove some private fields such as filenames from the infojson. '
             'Note that it could still contain some personal information (default)'))
     filesystem.add_option(
-        '--no-clean-infojson',
+        '--no-clean-info-json', '--no-clean-infojson',
         action='store_false', dest='clean_infojson',
         help='Write all fields to the infojson')
     filesystem.add_option(