Update DIRECTORY.md (#6446)

Co-authored-by: DenizAltunkapan <[email protected]>

Author: DenizAltunkapan

DIRECTORY.md

@@ -676,7 +676,6 @@
           - 📄 [SelectionSort](src/main/java/com/thealgorithms/sorts/SelectionSort.java)
           - 📄 [SelectionSortRecursive](src/main/java/com/thealgorithms/sorts/SelectionSortRecursive.java)
           - 📄 [ShellSort](src/main/java/com/thealgorithms/sorts/ShellSort.java)
-          - 📄 [SimpleSort](src/main/java/com/thealgorithms/sorts/SimpleSort.java)
           - 📄 [SlowSort](src/main/java/com/thealgorithms/sorts/SlowSort.java)
           - 📄 [SortAlgorithm](src/main/java/com/thealgorithms/sorts/SortAlgorithm.java)
           - 📄 [SortUtils](src/main/java/com/thealgorithms/sorts/SortUtils.java)
@@ -1348,7 +1347,6 @@
           - 📄 [SelectionSortRecursiveTest](src/test/java/com/thealgorithms/sorts/SelectionSortRecursiveTest.java)
           - 📄 [SelectionSortTest](src/test/java/com/thealgorithms/sorts/SelectionSortTest.java)
           - 📄 [ShellSortTest](src/test/java/com/thealgorithms/sorts/ShellSortTest.java)
-          - 📄 [SimpleSortTest](src/test/java/com/thealgorithms/sorts/SimpleSortTest.java)
           - 📄 [SlowSortTest](src/test/java/com/thealgorithms/sorts/SlowSortTest.java)
           - 📄 [SortUtilsRandomGeneratorTest](src/test/java/com/thealgorithms/sorts/SortUtilsRandomGeneratorTest.java)
           - 📄 [SortUtilsTest](src/test/java/com/thealgorithms/sorts/SortUtilsTest.java)