Remove unused variable right from initialization.

The `right` variable was declared but never used in the code. Its removal simplifies the initialization block and eliminates unnecessary clutter.

Author: nicholasadamou

Sliding Window/minimum_window_substring.py

@@ -22,7 +22,6 @@ def min_window(s: str, t: str) -> str:
 
     # Initialize window pointers and other variables
     left = 0
-    right = 0
     matched_characters = 0
     window_counts = defaultdict(int)
     window = ''