Remove the remainder of util/mk1mf.pl and companion scripts

This removes all scripts that deal with MINFO as well, since that's
only used by mk1mf.

Reviewed-by: Andy Polyakov <appro@openssl.org>

CHANGES

diff --git a/CHANGES b/CHANGES
index 08cd0a3..d3d4ca9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,9 @@
 
  Changes between 1.0.2g and 1.1.0  [xx XXX xxxx]
 
+  *) Removed the mk1mf build scripts.
+     [Richard Levitte]
+
   *) Headers are now wrapped, if necessary, with OPENSSL_NO_xxx, so
      it is always safe to #include a header now.
      [Rich Salz]