drop expired certificates

drop expired certificates

class1.pem: Not After : Apr 26 10:32:12 2005 GMT
class2.pem: Not After : Jun 4 09:05:44 2005 GMT
class3.pem: Not After : Jun 4 09:13:06 2005 GMT
class4.pem: Not After : Jun 4 09:19:41 2006 GMT
level1.pem: Not After : Jul 12 16:31:53 2012 GMT
level2.pem: Not After : Jul 12 16:32:03 2012 GMT
level3.pem: Not After : Jul 12 16:32:17 2012 GMT
level4.pem: Not After : Jul 12 16:32:35 2012 GMT
na.pem: Not After : Aug 28 17:16:25 2012 GMT
tsa.pem: Not After : Aug 28 17:05:14 2012 GMT
vs.pem: Not After : Aug 28 17:10:36 2012 GMT
TERENACodeSigningCA.crt: Not After : May 30 10:48:38 2020 GMT
TERENAeScienceSSLCA.crt: Not After : May 30 10:48:38 2020 GMT
TERENASSLCA.crt: Not After : May 30 10:48:38 2020 GMT
ESTEID-SK_2007.PEM.cer: Not After : Aug 26 14:23:01 2016 GMT
ESTEID-SK.PEM.cer: Not After : Jan 13 16:44:50 2012 GMT
JUUR-SK.PEM.cer: Not After : Aug 26 14:23:01 2016 GMT