Remove traces of USE_NSS_CERTS from crypto/

crypto/nss_key_util.h

Index: crypto/nss_key_util.h
diff --git a/crypto/nss_key_util.h b/crypto/nss_key_util.h
index 12b948d25bb2a269d432a1d57a4baa219902e2d9..86934dd003620d677d57ae12362bce4a18719fb1 100644
--- a/crypto/nss_key_util.h
+++ b/crypto/nss_key_util.h
@@ -36,8 +36,6 @@ ImportNSSKeyFromPrivateKeyInfo(PK11SlotInfo* slot,
                                const std::vector<uint8_t>& input,
                                bool permanent);
 
-#if defined(USE_NSS_CERTS)
-
 // Decodes |input| as a DER-encoded X.509 SubjectPublicKeyInfo and searches for
 // the private key half in the key database. Returns the private key on success
 // or nullptr on error.
@@ -51,8 +49,6 @@ CRYPTO_EXPORT ScopedSECKEYPrivateKey
 FindNSSKeyFromPublicKeyInfoInSlot(const std::vector<uint8_t>& input,
                                   PK11SlotInfo* slot);
 
-#endif  // defined(USE_NSS_CERTS)
-
 }  // namespace crypto
 
 #endif  // CRYPTO_NSS_KEY_UTIL_H_