Remove the certificate management methods from dart:io

runtime/bin/io_natives.cc

Index: runtime/bin/io_natives.cc
diff --git a/runtime/bin/io_natives.cc b/runtime/bin/io_natives.cc
index a5c717097479e355b8feaec23955922ce5c313d5..ff790d6080438aacb88878550985ad3658475b27 100644
--- a/runtime/bin/io_natives.cc
+++ b/runtime/bin/io_natives.cc
@@ -51,12 +51,7 @@ namespace bin {
   V(SecureSocket_RegisterBadCertificateCallback, 2)                            \
   V(SecureSocket_RegisterHandshakeCompleteCallback, 2)                         \
   V(SecureSocket_Renegotiate, 4)                                               \
-  V(SecureSocket_InitializeLibrary, 4)                                         \
-  V(SecureSocket_AddCertificate, 2)                                            \
-  V(SecureSocket_ChangeTrust, 2)                                               \
-  V(SecureSocket_ImportCertificatesWithPrivateKeys, 2)                         \
-  V(SecureSocket_GetCertificate, 1)                                            \
-  V(SecureSocket_RemoveCertificate, 1)                                         \
+  V(SecureSocket_InitializeLibrary, 3)                                         \
   V(SecureSocket_NewServicePort, 0)                                            \
   V(SecureSocket_FilterPointer, 1)                                             \
   V(ServerSocket_CreateBindListen, 5)                                          \