This article will help you How to delete a playlist on your channel youtube 2017. This is the lastest update of me.
Step1: Click on left bar youtube - choose My Channel
Step 2: Choose Playlists
Step 3: Choose any playlist you want delete

Step1: Click on left bar youtube - choose My Channel
Step 2: Choose Playlists
Step 4: Click to right menu for deleting:

Step5: Popup Anounce display- choose: Yes,delete it