C# solution for Leetcode question: Remove Linked List Elements (difficulty : easy)

Source:

Remove all elements from a linked list of integers that have value val.

Example
 Given: 1 → 2 → 6 → 3 → 4 → 5 → 6, val = 6
 Return: 1 → 2 → 3 → 4 → 5

My C# solution is here:

https://github.com/jiajionline/LeetcodeSolutionWithMultipleLanguages/tree/master/Remove%20Linked%20List%20Elements