Remove unused double-card hole regex

Cloze cards are a better fit for this type of flashcard.

1 files changed, 0 insertions, 3 deletions

diff --git a/org-fc.el b/org-fc.el
index 388ab2b..1789358 100644
--- a/org-fc.el
+++ b/org-fc.el
@@ -603,9 +603,6 @@ Argument UPDATE-FN Function to update a card when it's contents have changed."
 
 ;;;; Double
 
-(defvar org-fc-type-double-hole-re
-  (rx "{{" (group (* (not (any "}")))) "}}"))
-
 (defvar org-fc-type-double--overlay '())
 
 (defun org-fc-type-double-init ()