Update src/main/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequence.java

Co-authored-by: Piotr Idzik <[email protected]>

Author: tejaswi0910

src/main/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequence.java

@@ -22,7 +22,6 @@ public static int getLongestArithmeticSubsequenceLength(int[] nums) {
             throw new IllegalArgumentException("Input array cannot be null");
         }
 
-        // If the array is empty or has only one element, return its length.
         if (nums.length == 0) {
             return 0;
         }