[NFC][clang] Simplify `isOneOf` function

[achieveartificialintelligence]

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[achieveartificialintelligence]

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clang/include/clang/Lex/Token.h

public:
 
   /// is/isNot - Predicates to check if this token is a specific kind, as in
   /// "if (Tok.is(tok::l_brace)) {...}".
   bool is(tok::TokenKind K) const { return Kind == K; }
   bool isNot(tok::TokenKind K) const { return Kind != K; }
   bool isOneOf(tok::TokenKind K1, tok::TokenKind K2) const {
     return is(K1) || is(K2);
   }
-  template <typename... Ts>
-  bool isOneOf(tok::TokenKind K1, tok::TokenKind K2, Ts... Ks) const {
-    return is(K1) || isOneOf(K2, Ks...);
+  template <typename... Ts> bool isOneOf(tok::TokenKind K1, Ts... Ks) const {
+    return is(K1) || isOneOf(Ks...);
   }
 
   /// Return true if this is a raw identifier (when lexing
   /// in raw mode) or a non-keyword identifier (when lexing in non-raw mode).
   bool isAnyIdentifier() const {
     return tok::isAnyIdentifier(getKind());
   }