Update Solution2.cpp

Removed an unnecessary directions declaration: vector<int> dirs = {-1, 0, 1, 0, -1};

Author: zhirshya

solution/0200-0299/0200.Number of Islands/Solution2.cpp

@@ -9,7 +9,6 @@ class Solution {
             grid[i][j] = '0';
             queue<pair<int, int>> q;
             q.push({i, j});
-            vector<int> dirs = {-1, 0, 1, 0, -1};
             while (!q.empty()) {
                 auto [a, b] = q.front();
                 q.pop();
@@ -33,4 +32,4 @@ class Solution {
         }
         return ans;
     }
-};
+};