Remove useless variable

Author: liZe

weasyprint/layout/block.py

@@ -703,7 +703,6 @@ def block_container_layout(context, box, bottom_space, skip_stack,
 
     new_children = []
     next_page = {'break': 'any', 'page': None}
-    broken_out_of_flow = []
 
     last_in_flow_child = None
 
@@ -731,7 +730,6 @@ def block_container_layout(context, box, bottom_space, skip_stack,
             if out_of_flow_resume_at:
                 context.broken_out_of_flow[new_child] = (
                     child, box, out_of_flow_resume_at)
-                broken_out_of_flow.append(new_child)
             if child.is_outside_marker:
                 new_child.position_x = box.border_box_x()
                 if child.style['direction'] == 'rtl':
@@ -804,8 +802,6 @@ def block_container_layout(context, box, bottom_space, skip_stack,
             not page_is_empty):
         remove_placeholders(
             context, [*new_children, *box.children[skip:]], absolute_boxes, fixed_boxes)
-        for child in broken_out_of_flow:
-            del context.broken_out_of_flow[child]
         return None, None, {'break': 'any', 'page': None}, [], False, max_lines
 
     if collapsing_with_children: