Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/s390xcap.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <setjmp.h>
-#include <signal.h>
-
-extern unsigned long OPENSSL_s390xcap_P[];
-
-static sigjmp_buf ill_jmp;
-static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
-
-unsigned long OPENSSL_s390x_facilities(void);
-
-void OPENSSL_cpuid_setup(void)
-        {
-        sigset_t oset;
-        struct sigaction ill_act,oact;
-
-        if (OPENSSL_s390xcap_P[0]) return;
-
-        OPENSSL_s390xcap_P[0] = 1UL<<(8*sizeof(unsigned long)-1);
-
-        memset(&ill_act,0,sizeof(ill_act));
-        ill_act.sa_handler = ill_handler;
-        sigfillset(&ill_act.sa_mask);
-        sigdelset(&ill_act.sa_mask,SIGILL);
-        sigdelset(&ill_act.sa_mask,SIGTRAP);
-        sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset);
-        sigaction (SIGILL,&ill_act,&oact);
-
-        /* protection against missing store-facility-list-extended */
-        if (sigsetjmp(ill_jmp,1) == 0)
-                OPENSSL_s390x_facilities();
-
-        sigaction (SIGILL,&oact,NULL);
-        sigprocmask(SIG_SETMASK,&oset,NULL);
-        }