MDEV-10211 postfix - in ssl.test, remove remaining SHOW STATUS LIKE 'Ssl_cipher'

mysql-test/r/ssl.result

-SHOW STATUS LIKE 'Ssl_cipher';
-Variable_name	Value
-Ssl_cipher	AES128-GCM-SHA256
 SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher';
 have_ssl
 1

mysql-test/t/ssl.test

@@ -11,7 +11,6 @@
 connect (ssl_con,localhost,root,,,,,SSL);
 
 # Check ssl turned on
-SHOW STATUS LIKE 'Ssl_cipher';
 SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher';
 
 # Check ssl expiration