Fix comments

Author: Hardvan

src/test/java/com/thealgorithms/datastructures/graphs/FloydWarshallTest.java

@@ -14,21 +14,21 @@ void testSmallGraph() {
         FloydWarshall fw = new FloydWarshall(3);
         fw.floydwarshall(adjacencyMatrix);
 
-        int[][] expectedDistanceMatrix = {{0, 0, 0, 0}, // Ignored row (0 index)
+        int[][] expectedDistanceMatrix = {{0, 0, 0, 0},
             {0, 0, 3, 4}, {0, FloydWarshall.INFINITY, 0, 1}, {0, FloydWarshall.INFINITY, FloydWarshall.INFINITY, 0}};
 
         assertArrayEquals(expectedDistanceMatrix, fw.getDistanceMatrix());
     }
 
     @Test
     void testLargerGraph() {
-        int[][] adjacencyMatrix = {{0, 0, 0, 0, 0}, // Ignored row (0 index)
+        int[][] adjacencyMatrix = {{0, 0, 0, 0, 0},
             {0, 0, 1, FloydWarshall.INFINITY, 2}, {0, FloydWarshall.INFINITY, 0, 4, FloydWarshall.INFINITY}, {0, FloydWarshall.INFINITY, FloydWarshall.INFINITY, 0, 3}, {0, FloydWarshall.INFINITY, FloydWarshall.INFINITY, FloydWarshall.INFINITY, 0}};
 
         FloydWarshall fw = new FloydWarshall(4);
         fw.floydwarshall(adjacencyMatrix);
 
-        int[][] expectedDistanceMatrix = {{0, 0, 0, 0, 0}, // Ignored row (0 index)
+        int[][] expectedDistanceMatrix = {{0, 0, 0, 0, 0},
             {0, 0, 1, 5, 2}, {0, FloydWarshall.INFINITY, 0, 4, 7}, {0, FloydWarshall.INFINITY, FloydWarshall.INFINITY, 0, 3}, {0, FloydWarshall.INFINITY, FloydWarshall.INFINITY, FloydWarshall.INFINITY, 0}};
 
         assertArrayEquals(expectedDistanceMatrix, fw.getDistanceMatrix());