Remove print function

Author: lorduke22

src/main/java/com/thealgorithms/datastructures/stacks/NodeStack.java

@@ -55,13 +55,4 @@ public boolean isEmpty() {
     public int size() {
         return size;
     }
-
-    public void print() {
-        NodeStack<Item> current = head;
-        while (current != null) {
-            System.out.println(current.data + " ");
-            current = current.previous;
-        }
-        System.out.println();
-    }
 }

src/test/java/com/thealgorithms/datastructures/stacks/NodeStackTest.java

@@ -63,10 +63,4 @@ void testPopOnEmptyStack() {
     void testPeekOnEmptyStack() {
         assertThrows(IllegalStateException.class, () -> { stack.peek(); });
     }
-
-    @Test
-    void testPrintEmptyStack() {
-        stack.print();
-        assertEquals("", outputStreamCaptor.toString().trim(), "The output of an empty stack should be an empty string.");
-    }
 }