Remove two undefined ProofSourceForTesting.

net/quic/test_tools/crypto_test_utils.h

Index: net/quic/test_tools/crypto_test_utils.h
diff --git a/net/quic/test_tools/crypto_test_utils.h b/net/quic/test_tools/crypto_test_utils.h
index 1147697ba5fff8739751d1cbb565e9658c9779ff..f8611cd517f309f20aea5dee7c6864a1b7254701 100644
--- a/net/quic/test_tools/crypto_test_utils.h
+++ b/net/quic/test_tools/crypto_test_utils.h
@@ -139,16 +139,6 @@ std::string GetValueForTag(const CryptoHandshakeMessage& message, QuicTag tag);
 // Returns a new |ProofSource| that serves up test certificates.
 std::unique_ptr<ProofSource> ProofSourceForTesting();
 
-// Identical to |ProofSourceForTesting|, with the addition of setting
-// the |emit_expect_ct_header| field on the test certificates
-// to be the value of |send_expect_ct_header|.
-std::unique_ptr<ProofSource> ProofSourceForTesting(bool send_expect_ct_header);
-
-// Identical to |ProofSourceForTesting| but permitting the caller to specify
-// the certs that will be loaded.
-std::unique_ptr<ProofSource> ProofSourceForTesting(
-    const std::vector<std::string>& certs);
-
 // Returns a new |ProofVerifier| that uses the QUIC testing root CA.
 std::unique_ptr<ProofVerifier> ProofVerifierForTesting();