servo: Merge #11192 - Removed unused imports (from perlun:remove-unused-imports); r=Manishearth

- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #11185
- [X] These changes do not require tests because it only removes dead code.

----

This fixes #11185.

Source-Repo: https://github.com/servo/servo
Source-Revision: 2c674d0397927ef6563feb70e54f46815af55600

servo/components/layout/construct.rs

@@ -20,7 +20,7 @@ use data::{HAS_NEWLY_CONSTRUCTED_FLOW, PrivateLayoutData};
 use flex::FlexFlow;
 use floats::FloatKind;
 use flow::{MutableFlowUtils, MutableOwnedFlowUtils, CAN_BE_FRAGMENTED};
-use flow::{self, AbsoluteDescendants, Flow, IS_ABSOLUTELY_POSITIONED, ImmutableFlowUtils};
+use flow::{self, AbsoluteDescendants, IS_ABSOLUTELY_POSITIONED, ImmutableFlowUtils};
 use flow_ref::{self, FlowRef};
 use fragment::{CanvasFragmentInfo, ImageFragmentInfo, InlineAbsoluteFragmentInfo};
 use fragment::{Fragment, GeneratedContentInfo, IframeFragmentInfo};
@@ -60,7 +60,7 @@ use traversal::PostorderNodeMutTraversal;
 use url::Url;
 use util::linked_list;
 use util::opts;
-use wrapper::{LayoutNode, PseudoElementType, TextContent, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
+use wrapper::{PseudoElementType, TextContent, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
 
 /// The results of flow construction for a DOM node.
 #[derive(Clone)]