Fix unreasonable condition

Author: gibachan

Sources/SwiftParserDiagnostics/MissingNodesError.swift

@@ -36,11 +36,7 @@ fileprivate enum NodesDescriptionPart {
     switch self {
     case .tokensWithDefaultText(var tokens):
       if format {
-        tokens = tokens.enumerated()
-          .map { index, token in
-            // We detach the nodes from the second one onwards, considering the line indentation only for the first node
-            NoNewlinesFormat(viewMode: .all).visit(index == 0 ? token : token.detached)
-          }
+        tokens = tokens.map { NoNewlinesFormat(viewMode: .all).visit($0.detached) }
       }
       if !tokens.isEmpty {
         tokens[0] = tokens[0].with(\.leadingTrivia, [])