remove old prep from .canvas file (learn-co-curriculum#30)

lizbur10 · web-flow · commit ccdabdd5e635 · 2022-12-14T15:26:43.000-05:00
diff --git a/.canvas b/.canvas
@@ -1,9 +1,5 @@
 ---
 :lessons:
-- :id: 73669
-  :course_id: 3280
-  :canvas_url: https://learning.flatironschool.com/courses/3280/assignments/73669
-  :type: assignment
 - :id: 218925
   :course_id: 6602
   :canvas_url: https://learning.flatironschool.com/courses/6602/assignments/218925
