Venue: Desnuda Location: 122 E. 7th St., East Village, Manhattan Phone:  212-254-3515 Website: http://desnudany.com/main.php Oyster happy hour:  Sunday and Monday, $1 oysters all day. At their new location at  221 S. First St., Williamsburg, Brooklyn, oyster happy hour is the same thing plus $1 oysters 6-8 p.m. Tuesday-Saturday. When I started researching oyster happy hours for this series, it seemed Desnuda turned up on everyone’s…