Remove all remaining use of raw: interpolations

Author: Matejkob

CodeGeneration/Sources/generate-swiftsyntax/templates/swiftsyntax/RawSyntaxNodesFile.swift

@@ -172,10 +172,10 @@ let rawSyntaxNodesFile = SourceFileSyntax(leadingTrivia: copyrightHeader) {
       }
 
       if let node = node.collectionNode {
-        let element = node.elementChoices.only != nil ? "\(node.elementChoices.only!.rawType)" : "Element"
+        let element = node.elementChoices.only != nil ? node.elementChoices.only!.rawType : "Element"
         DeclSyntax(
           """
-          public init(elements: [\(raw: element)], arena: __shared SyntaxArena) {
+          public init(elements: [\(element)], arena: __shared SyntaxArena) {
             let raw = RawSyntax.makeLayout(
               kind: .\(node.varOrCaseName), uninitializedCount: elements.count, arena: arena) { layout in
                 guard var ptr = layout.baseAddress else { return }

CodeGeneration/Sources/generate-swiftsyntax/templates/swiftsyntax/SyntaxNodesFile.swift

@@ -207,7 +207,7 @@ func syntaxNode(emitKind: SyntaxNodeKind) -> SourceFileSyntax {
               /// - returns: A copy of the receiver with the provided `\(raw: childElt)`
               ///            appended to its `\(child.varOrCaseName)` collection.
               @available(*, deprecated, message: "Use node.\(child.varOrCaseName).append(newElement) instead")
-              public func add\(raw: childElt)(_ element: \(raw: childEltType)) -> \(node.kind.syntaxType) {
+              public func add\(raw: childElt)(_ element: \(childEltType)) -> \(node.kind.syntaxType) {
                 var collection: RawSyntax
                 let arena = SyntaxArena()
                 if let col = raw.layoutView!.children[\(raw: index)] {