Update climbing-stairs.cpp

Author: kamyu104

C++/climbing-stairs.cpp

@@ -6,7 +6,6 @@ class Solution {
     int climbStairs(int n) {
 	vector<vector<int>> T = {{1, 1},
                                  {1, 0}};
-
         return matrixExpo(T, n)[0][0];
     }