Update readme.md

Co-Authored-By: Antim-IWP <203163676+Antim-IWP@users.noreply.github.com>
Co-Authored-By: Shiwangi Srivastava <174641070+IamShiwangi@users.noreply.github.com>

Author: 3 people

Solution/17. Letter Combinations of a Phone Number/readme.md

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+
+<!-- problem:start -->
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+# [17. Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number)
+
 ---
 comments: true
 difficulty: Medium
-edit_url: https://github.com/doocs/leetcode/edit/main/solution/0000-0099/0017.Letter%20Combinations%20of%20a%20Phone%20Number/README_EN.md
 tags:
     - Hash Table
     - String
     - Backtracking
 ---
 
-<!-- problem:start -->
-
-# [17. Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number)
-
-[中文文档](/solution/0000-0099/0017.Letter%20Combinations%20of%20a%20Phone%20Number/README.md)
-
 ## Description
 
 <!-- description:start -->