remove deprecated rfc1918 file

this hasn't been supported since 3.x days

1 files changed, 0 insertions, 1 deletions

diff --git a/README.md b/README.md
index 82c0ab3..e6fb027 100644
--- a/README.md
+++ b/README.md
@@ -186,7 +186,6 @@ Example from node.pp:
 
       shorewall::interface { 'eth0':
         zone    => 'net',
-        rfc1918  => true,
         options => 'tcpflags,nosmurfs';
       }