Remove ancient demoCA directory

Reviewed-by: NTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2760)

apps/demoCA/cacert.pem

-subject=/C=AU/SOP=QLD/O=Mincom Pty. Ltd./OU=CS/CN=SSLeay demo server
-issuer= /C=AU/SOP=QLD/O=Mincom Pty. Ltd./OU=CS/CN=CA
------BEGIN X509 CERTIFICATE-----
-
-MIIBgjCCASwCAQQwDQYJKoZIhvcNAQEEBQAwODELMAkGA1UEBhMCQVUxDDAKBgNV
-BAgTA1FMRDEbMBkGA1UEAxMSU1NMZWF5L3JzYSB0ZXN0IENBMB4XDTk1MTAwOTIz
-MzIwNVoXDTk4MDcwNTIzMzIwNVowYDELMAkGA1UEBhMCQVUxDDAKBgNVBAgTA1FM
-RDEZMBcGA1UEChMQTWluY29tIFB0eS4gTHRkLjELMAkGA1UECxMCQ1MxGzAZBgNV
-BAMTElNTTGVheSBkZW1vIHNlcnZlcjBcMA0GCSqGSIb3DQEBAQUAA0sAMEgCQQC3
-LCXcScWua0PFLkHBLm2VejqpA1F4RQ8q0VjRiPafjx/Z/aWH3ipdMVvuJGa/wFXb
-/nDFLDlfWp+oCPwhBtVPAgMBAAEwDQYJKoZIhvcNAQEEBQADQQArNFsihWIjBzb0
-DCsU0BvL2bvSwJrPEqFlkDq3F4M6EGutL9axEcANWgbbEdAvNJD1dmEmoWny27Pn
-IMs6ZOZB
------END X509 CERTIFICATE-----

apps/demoCA/index.txt

-R	980705233205Z	951009233205Z	01	certs/00000001	/CN=Eric Young
-E	951009233205Z		02	certs/00000002	/CN=Duncan Young
-R	980705233205Z	951201010000Z	03	certs/00000003	/CN=Tim Hudson
-V	980705233205Z		04	certs/00000004	/CN=Eric Young4
-V	980705233205Z		05	certs/00000004	/CN=Eric Young5
-V	980705233205Z		06	certs/00000004	/CN=Eric Young6
-V	980705233205Z		07	certs/00000004	/CN=Eric Young7
-V	980705233205Z		08	certs/00000004	/CN=Eric Young8
-V	980705233205Z		09	certs/00000004	/CN=Eric Young9
-V	980705233205Z		0A	certs/00000004	/CN=Eric YoungA
-V	980705233205Z		0B	certs/00000004	/CN=Eric YoungB
-V	980705233205Z		0C	certs/00000004	/CN=Eric YoungC
-V	980705233205Z		0D	certs/00000004	/CN=Eric YoungD
-V	980705233205Z		0E	certs/00000004	/CN=Eric YoungE
-V	980705233205Z		0F	certs/00000004	/CN=Eric YoungF
-V	980705233205Z		10	certs/00000004	/CN=Eric Young10
-V	980705233205Z		11	certs/00000004	/CN=Eric Young11
-V	980705233205Z		12	certs/00000004	/CN=Eric Young12
-V	980705233205Z		13	certs/00000004	/CN=Eric Young13
-V	980705233205Z		14	certs/00000004	/CN=Eric Young14
-V	980705233205Z		15	certs/00000004	/CN=Eric Young15
-V	980705233205Z		16	certs/00000004	/CN=Eric Young16
-V	980705233205Z		17	certs/00000004	/CN=Eric Young17
-V	961206150305Z		010C	unknown	/C=AU/SP=QLD/O=Mincom Pty. Ltd./OU=MTR/CN=Eric Young/Email=eay@mincom.oz.au
-V	961206153245Z		010D	unknown	/C=AU/SP=Queensland/O=Mincom Pty Ltd/OU=MTR/CN=Eric Young/Email=eay@mincom.oz.au
-V	970322074816Z		010E	unknown	/CN=Eric Young/Email=eay@mincom.oz.au
-V	970322075152Z		010F	unknown	/CN=Eric Young
-V	970322075906Z		0110	unknown	/CN=Eric Youngg
-V	970324092238Z		0111	unknown	/C=AU/SP=Queensland/CN=Eric Young
-V	970324221931Z		0112	unknown	/CN=Fred
-V	970324224934Z		0113	unknown	/C=AU/CN=eay
-V	971001005237Z		0114	unknown	/C=AU/SP=QLD/O=Mincom Pty Ltd/OU=MTR/CN=x509v3 test
-V	971001010331Z		0115	unknown	/C=AU/SP=Queensland/O=Mincom Pty Ltd/OU=MTR/CN=test again - x509v3
-V	971001013945Z		0117	unknown	/C=AU/SP=Queensland/O=Mincom Pty Ltd/OU=MTR/CN=x509v3 test
-V	971014225415Z		0118	unknown	/C=AU/SP=Queensland/CN=test
-V	971015004448Z		0119	unknown	/C=AU/SP=Queensland/O=Mincom Pty Ltd/OU=MTR/CN=test2
-V	971016035001Z		011A	unknown	/C=AU/SP=Queensland/O=Mincom Pty Ltd/OU=MTR/CN=test64
-V	971016080129Z		011B	unknown	/C=FR/O=ALCATEL/OU=Alcatel Mobile Phones/CN=bourque/Email=bourque@art.alcatel.fr
-V	971016224000Z		011D	unknown	/L=Bedford/O=Cranfield University/OU=Computer Centre/CN=Peter R Lister/Email=P.Lister@cranfield.ac.uk

apps/demoCA/private/cakey.pem

-issuer= /C=AU/SOP=QLD/O=Mincom Pty. Ltd./OU=CS/CN=CA
-subject=/C=AU/SOP=QLD/O=Mincom Pty. Ltd./OU=CS/CN=SSLeay demo server
------BEGIN X509 CERTIFICATE-----
-
-MIIBgjCCASwCAQQwDQYJKoZIhvcNAQEEBQAwODELMAkGA1UEBhMCQVUxDDAKBgNV
-BAgTA1FMRDEbMBkGA1UEAxMSU1NMZWF5L3JzYSB0ZXN0IENBMB4XDTk1MTAwOTIz
-MzIwNVoXDTk4MDcwNTIzMzIwNVowYDELMAkGA1UEBhMCQVUxDDAKBgNVBAgTA1FM
-RDEZMBcGA1UEChMQTWluY29tIFB0eS4gTHRkLjELMAkGA1UECxMCQ1MxGzAZBgNV
-BAMTElNTTGVheSBkZW1vIHNlcnZlcjBcMA0GCSqGSIb3DQEBAQUAA0sAMEgCQQC3
-LCXcScWua0PFLkHBLm2VejqpA1F4RQ8q0VjRiPafjx/Z/aWH3ipdMVvuJGa/wFXb
-/nDFLDlfWp+oCPwhBtVPAgMBAAEwDQYJKoZIhvcNAQEEBQADQQArNFsihWIjBzb0
-DCsU0BvL2bvSwJrPEqFlkDq3F4M6EGutL9axEcANWgbbEdAvNJD1dmEmoWny27Pn
-IMs6ZOZB
------END X509 CERTIFICATE-----
------BEGIN RSA PRIVATE KEY-----
-
-MIIBPAIBAAJBALcsJdxJxa5rQ8UuQcEubZV6OqkDUXhFDyrRWNGI9p+PH9n9pYfe
-Kl0xW+4kZr/AVdv+cMUsOV9an6gI/CEG1U8CAwEAAQJAXJMBZ34ZXHd1vtgL/3hZ
-hexKbVTx/djZO4imXO/dxPGRzG2ylYZpHmG32/T1kaHpZlCHoEPgHoSzmxYXfxjG
-sQIhAPmZ/bQOjmRUHM/VM2X5zrjjM6z18R1P6l3ObFwt9FGdAiEAu943Yh9SqMRw
-tL0xHGxKmM/YJueUw1gB6sLkETN71NsCIQCeT3RhoqXfrpXDoEcEU+gwzjI1bpxq
-agiNTOLfqGoA5QIhAIQFYjgzONxex7FLrsKBm16N2SFl5pXsN9SpRqqL2n63AiEA
-g9VNIQ3xwpw7og3IbONifeku+J9qGMGQJMKwSTwrFtI=
------END RSA PRIVATE KEY-----

apps/demoCA/serial

-011E