Cleaning

Author: Vic-Nas

aoc/2025/04/normal/04_normal.vn.py aoc/2025/04/04.vn.pyaoc/2025/04/normal/04_normal.vn.py renamed to aoc/2025/04/04.vn.py

@@ -19,10 +19,6 @@ def adjacents(i, j):
                 pass
     return res
 
-def hash(mat):
-    step1 = reduce(lambda a, b: a + b, mat, [])
-    return reduce(lambda a, b: a + b, step1, "")
-
 PAPER = "@"
 OTHER = "."