Write a method that merges two lists of integers, removes duplicates, and returns the result sorted in ascending order.
Input: list1 = [3, 1, 5], list2 = [2, 1, 4]
Output: [1, 2, 3, 4, 5]
Explanation: The two lists are merged, duplicates (1) are removed, and the result is sorted.
Input: list1 = [10, 8], list2 = [6, 8, 12]
Output: [6, 8, 10, 12]
Explanation: The lists are merged, the duplicate 8 is removed, and the final list is sorted.
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