Revert "Return deleted element from List_remove()"

src/list.c

@@ -98,13 +98,12 @@ int List_remove(List *list, int element) {
         return ERRNO_005;
     }
 
-    int elementToDelete = list->_array[positionToDelete];
     for (int i = positionToDelete; i < list->_currentSize; i++) {
         list->_array[i] = list->_array[i + 1];
     }
     list->_currentSize--;
 
-    return elementToDelete;
+    return 0;
 }
 
 int List_sort(List *list, bool reverse) {

src/list.h

@@ -107,7 +107,7 @@ int List_insert(List *list, int index, int element);
  *
  * Returns
  * ----------------------------
- *  int (The deleted element)
+ *  int (0 for success, Non-0 for error)
  */
 int List_remove(List *list, int element);
 

src/test/test.c

@@ -147,10 +147,9 @@ void shouldRemoveElementFromList() {
     List_append_all(list, 4, 0, 1, 2, 0);
 
     // Act
-    int deletedElement = List_remove(list, 0);
+    List_remove(list, 0);
 
     // Assert
-    assert(deletedElement == 0);
     assert(List_length(list) == 3);
     assert(List_get(list, 0) == 1);
     assert(List_get(list, 1) == 2);