fix(clean_the_list): remove file submitted by mistake

sh/tests/student/shopping.py

@@ -1,9 +0,0 @@
-def clean_list(shopping_list):
-    if shopping_list:
-        cleaned_list = ([f"{index + 1}/ {item.strip().capitalize()}" 
-                        for index, item in enumerate(shopping_list)])
-        if "Milk" not in shopping_list:
-            cleaned_list.append(f"{len(cleaned_list)}/ Milk")
-        return cleaned_list
-    else:
-        return []