Remove AssignDesugar span

Author: camsteffen

clippy_lints/src/shadow.rs

@@ -133,7 +133,7 @@ impl<'tcx> LateLintPass<'tcx> for Shadow {
             .tcx
             .hir_parent_iter(pat.hir_id)
             .find(|(_, node)| !matches!(node, Node::Pat(_) | Node::PatField(_)))
-            && let LocalSource::AssignDesugar(_) = let_stmt.source
+            && let LocalSource::AssignDesugar = let_stmt.source
         {
             return;
         }

clippy_lints/src/undocumented_unsafe_blocks.rs

@@ -374,7 +374,7 @@ fn expr_has_unnecessary_safety_comment<'tcx>(
                         hir::Stmt {
                             kind:
                                 hir::StmtKind::Let(hir::LetStmt {
-                                    source: hir::LocalSource::AssignDesugar(_),
+                                    source: hir::LocalSource::AssignDesugar,
                                     ..
                                 }),
                             ..