Update initialiaze_2d_list.md

snippets/initialiaze_2d_list.md

@@ -8,8 +8,6 @@ Initializes a 2D list of given width and height and value.
 Use list comprehension and `range()` to generate `h` rows where each is a list with length `h`, initialized with `val`.
 If `val` is not provided, default to `None`.
 
-Explain briefly how the snippet works.
-
 ```py
 def initialize_2d_list(w,h, val = None):
   return [[val for x in range(w)] for y in range(h)]