How to Delete Tags from Decks
To remove a tag from a deck, open the deck, then go to the "Edit Deck" screen, using the menu.
The deck's tags are shown in the Tags section.
On mobile devices, swipe left on a tag to reveal an "X" button. On desktops and laptops, right-click on the tag to reveal the "X" button.
Press the "X" button to remove the tag.