[clang-tools-extra] [clangd] Let DefineOutline tweak create a definition from scratch (PR #71950)

[via cfe-commits]

================
@@ -380,6 +384,30 @@ struct InsertionAnchor {
 // initializers.
 SourceRange getDeletionRange(const FunctionDecl *FD,
                              const syntax::TokenBuffer &TokBuf) {
+  if (!FD->hasBody()) {
+    if (!FD->isExplicitlyDefaulted())
+      return {};
+
+    auto tokens = TokBuf.expandedTokens(FD->getSourceRange());
----------------
timon-ul wrote:

nit: please capitalize `Tokens`

https://github.com/llvm/llvm-project/pull/71950