Fix trailing whitespaces

Author: Hardvan

src/main/java/com/thealgorithms/greedyalgorithms/MergeIntervals.java

@@ -7,7 +7,7 @@
 /**
  * Problem Statement:
  * Given an array of intervals where intervals[i] = [starti, endi].
- * 
+ *
  * Merge all overlapping intervals and return an array of the non-overlapping
  * intervals
  * that cover all the intervals in the input.
@@ -22,7 +22,7 @@ private MergeIntervals() {
 
     /**
      * Merges overlapping intervals from the given array of intervals.
-     * 
+     *
      * The method sorts the intervals by their start time, then iterates through the
      * sorted intervals
      * and merges overlapping intervals. If an interval overlaps with the last
@@ -33,7 +33,7 @@ private MergeIntervals() {
      * @param intervals A 2D array representing intervals where each element is an
      *                  interval [starti, endi].
      * @return A 2D array of merged intervals where no intervals overlap.
-     * 
+     *
      *         Example:
      *         Input: {{1, 3}, {2, 6}, {8, 10}, {15, 18}}
      *         Output: {{1, 6}, {8, 10}, {15, 18}}