Fix L<> content in manpages

L<foo|foo> is sub-optimal  If the xref is the same as the title,
which is what we do, then you only need L<foo>.  This fixes all
1457 occurrences in 349 files.  Approximately.  (And pod used to
need both.)

Reviewed-by: Richard Levitte <levitte@openssl.org>

doc/ssl/SSL_get_shared_sigalgs.pod

diff --git a/doc/ssl/SSL_get_shared_sigalgs.pod b/doc/ssl/SSL_get_shared_sigalgs.pod
index 16f7d48..ad305e6 100644
--- a/doc/ssl/SSL_get_shared_sigalgs.pod
+++ b/doc/ssl/SSL_get_shared_sigalgs.pod
@@ -71,7 +71,7 @@
 
 =head1 SEE ALSO
 
-L<SSL_CTX_set_cert_cb(3)|SSL_CTX_set_cert_cb(3)>,
-L<ssl(3)|ssl(3)>
+L<SSL_CTX_set_cert_cb(3)>,
+L<ssl(3)>
 
 =cut