TBR: media-sharing: Remove .v23 from all .gitignore files.
TBR: media-sharing: Remove .v23 from all .gitignore files.

MultiPart: 17/25

Change-Id: Ibf11b7b20fae6149da11943b16182209b4527e08

vanadium/media-sharing,vanadium/media-sharing,vanadium/media-sharing,vanadium/media-sharing,vanadium/media-sharing