regenerate SSL certificates again

and make sure that private ca key is not deleted at the end of
the procedure, so that we could generate additional certificates
any time without regenerating everything

mysql-test/std_data/server-key.pem

@@ -1,15 +1,15 @@
 -----BEGIN RSA PRIVATE KEY-----
-MIICXAIBAAKBgQCq5lS93VIeFvckUjdYK6evSeHNdSoYUuFI8FmCwHrZZrOXBLN3
-9Dn90cAaxaarRITSFzlTJWObwyR4UVx3a9+0gh3kQ/RnCl2Jov6w6mQ6HZ1JeMh/
-eaXNRUsMra5P4tRd7OhzBu2YkoVJspwxO0Q4X7ta8WiEqcNbMTnUR5g4VQIDAQAB
-AoGAblQWXyBzdBN1Z5BgRF6ieYpj6OT70QoogJMR5lRmutUPma4iQo17pr3znBT/
-nU+1w3/UtTXNEXCwqbA01q/gkbP2PaW/sbHLVow1B7u/o42WW6I3Btnl3ClnCNjD
-Mo7/Gj027hhp7mC61r81JeJVh8fJUgxdNqoH7AkDnA+FJAECQQDjIl3k6W2P+bHb
-bp+8eyY7ITQbppZh+3hFJKRL7DZKFYL5J6gejiBURnG9DKnhoSP2nqzqdrRhWZhB
-ZHr+ciEBAkEAwJ5rMpFoIwRzgPD4Q4iSqHcBbFcJE7dK1XLq6MYUVNQGfDU8pBvI
-EocXphpsJ8CbR35dGDY19rmO2LjG3RBDVQJAetRN9Inrjw2YCjNzvKjYTuew1zcq
-YghszO94zfoKjdu+PWEdwJBZmVmTDoo3oGXVHfxHRHA3MeISvWJKRSmRAQJAHL9H
-9msXJKrEZkkQdFvMr5HbR4UR2LxxUbvt7UGqxSJDuYPkggWXbZR15hdpbuFjC1+D
-m1pz4Ve+RwAExfdoZQJBANfmuWtlLU+SMpDG4zOyC7u4dz+TtnEOfDUECFNZtqvU
-MWz98MIXAjiBDYU1Z0BrA7b0/FVsPR3t6JZFQWWI2y8=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 -----END RSA PRIVATE KEY-----