Revert "Merge pull request #27230 from rintaro/syntaxparsse-rdar55421369"

This reverts commit b09f87594a, reversing
changes made to d0b7ecab00.

include/swift/Parse/ParsedSyntax.h

@@ -26,7 +26,6 @@ public:
     : RawNode(std::move(rawNode)) {}
 
   const ParsedRawSyntaxNode &getRaw() const { return RawNode; }
-  ParsedRawSyntaxNode takeRaw() { return std::move(RawNode); }
   syntax::SyntaxKind getKind() const { return RawNode.getKind(); }
 
   /// Returns true if the syntax node is of the given type.
@@ -40,7 +39,7 @@ public:
   template <typename T>
   T castTo() const {
     assert(is<T>() && "castTo<T>() node of incompatible type!");
-    return T { RawNode.copyDeferred() };
+    return T { RawNode };
   }
 
   /// If this Syntax node is of the right kind, cast and return it,
@@ -53,10 +52,6 @@ public:
     return llvm::None;
   }
 
-  ParsedSyntax copyDeferred() const {
-    return ParsedSyntax { RawNode.copyDeferred() };
-  }
-
   static bool kindof(syntax::SyntaxKind Kind) {
     return true;
   }
@@ -70,7 +65,7 @@ public:
 class ParsedTokenSyntax final : public ParsedSyntax {
 public:
   explicit ParsedTokenSyntax(ParsedRawSyntaxNode rawNode)
-    : ParsedSyntax(std::move(rawNode)) {}
+    : ParsedSyntax(rawNode) {}
 
   tok getTokenKind() const {
     return getRaw().getTokenKind();