You can delete a Tip Jar by swiping it to the left from the List View dropdown.
1. Open the Tip Jar List View dropdown by selecting the menu button in the upper righthand corner of the Tip Jar page
2. Swipe Left on the Tip Jar you wish to delete.
NOTE: If you attempt to Delete a Tip Jar that has a balance, you will be prompted to transfer the money to another Tip Jar.
Also, if you only have one Tip Jar, you are not able to delete it.