Update credits

ext/standard/credits_ext.h

@@ -43,7 +43,6 @@ CREDIT_LINE("MCVE", "Brad House, Chris Faulhaber, Steven Schoch");
 CREDIT_LINE("mhash", "Sascha Schumann");
 CREDIT_LINE("mime_magic", "Hartmut Holzgraefe");
 CREDIT_LINE("MING", "Dave Hayden, Frank M. Kromann");
-CREDIT_LINE("mono", "Sterling Hughes");
 CREDIT_LINE("MS SQL", "Frank M. Kromann");
 CREDIT_LINE("msession", "Mark L. Woodward");
 CREDIT_LINE("mSQL", "Zeev Suraski");
@@ -57,7 +56,6 @@ CREDIT_LINE("ODBC driver for PDO", "Wez Furlong");
 CREDIT_LINE("ODBC", "Stig Bakken, Andreas Karajannis, Frank M. Kromann, Daniel R. Kalowsky");
 CREDIT_LINE("OpenSSL", "Stig Venaas, Wez Furlong, Sascha Kettler");
 CREDIT_LINE("Oracle (OCI) driver for PDO", "Wez Furlong");
-CREDIT_LINE("Oracle", "Stig Bakken, Mitch Golden, Rasmus Lerdorf, Andreas Karajannis, Thies C. Arntzen");
 CREDIT_LINE("Ovrimos", "Nikos Mavroyanopoulos");
 CREDIT_LINE("pcntl", "Jason Greene");
 CREDIT_LINE("Perl Compatible Regexps", "Andrei Zmievski");