Remove the certificate management methods from dart:io

runtime/bin/secure_socket_patch.dart

Index: runtime/bin/secure_socket_patch.dart
diff --git a/runtime/bin/secure_socket_patch.dart b/runtime/bin/secure_socket_patch.dart
index 13640b226c29b1dcd381dd3ac4741f1a2ff2494e..104f5622f57e5866f737b41e42a9a6a4577c71e0 100644
--- a/runtime/bin/secure_socket_patch.dart
+++ b/runtime/bin/secure_socket_patch.dart
@@ -8,27 +8,8 @@ patch class SecureSocket {
 
   /* patch */ static void initialize({String database,
                                       String password,
-                                      bool useBuiltinRoots: true,
-                                      bool readOnly: true})
-      native "SecureSocket_InitializeLibrary";
-
-  /* patch */ static X509Certificate addCertificate(List<int> certificate,
-                                                    String trust)
-      native "SecureSocket_AddCertificate";
-
-  /* patch */ static importCertificatesWithPrivateKeys(List<int> certificates,
-                                                       String password)
-      native "SecureSocket_ImportCertificatesWithPrivateKeys";
-
-  /* patch */ static X509Certificate changeTrust(String nickname,
-                                                 String trust)
-      native "SecureSocket_ChangeTrust";
-
-  /* patch */ static X509Certificate getCertificate(String nickname)
-      native "SecureSocket_GetCertificate";
-
-  /* patch */ static removeCertificate(String nickname)
-      native "SecureSocket_RemoveCertificate";
+                                      bool useBuiltinRoots: true})
+  native "SecureSocket_InitializeLibrary";
 }