Fix redundant parentheses in conditional statement

Remove unnecessary parentheses in a conditional to improve code readability. The logic of the program remains unchanged, ensuring safe counting works as intended.

day2/part1.py

@@ -28,7 +28,7 @@ with open("part1_input.txt", "r") as file_input:
             # decrease if we're supposed to be increasing or vice versa
             elif increasing and (-4 < difference < 0):
                 safe_count += 1
-            elif not (increasing) and (0 < difference < 4):
+            elif not increasing and (0 < difference < 4):
                 safe_count += 1
             else:
                 break