Remove remaining K-Way Merge question

Author: Sean Prashad

src/data/index.js

@@ -867,7 +867,7 @@ const questions = [
  id: 72,
  name: 'Merge Two Sorted Lists',
  url: 'https://leetcode.com/problems/merge-two-sorted-lists/',
- pattern: ['K-Way Merge'],
+ pattern: ['Two Pointers'],
  difficulty: 'Easy',
  premium: false,
  companies: [