Clean away $no_rfc3779 since we don't appear to use it at all

Reviewed-by: Rich Salz <rsalz@openssl.org>

Configure

diff --git a/Configure b/Configure
index 680b5a3..ba3d844 100755
--- a/Configure
+++ b/Configure
@@ -209,7 +209,6 @@
 my $nofipscanistercheck=0;
 $config{baseaddr}="0xFB00000";
 my $threads=0;
-my $no_rfc3779=0;
 my $no_asm=0;
 my $no_dso=0;
 my $default_ranlib;