website: remove fabric comparison

website/source/intro/vs/fabric.html.markdown

@@ -1,27 +0,0 @@
----
-layout: "intro"
-page_title: "Serf vs. Fabric"
-sidebar_current: "vs-other-fabric"
----
-
-# Serf vs. Fabric
-
-Fabric is a widely used tool for system administration over SSH. Broadly,
-it is used to SSH into a group of nodes and execute commands. Both Fabric
-and Serf can be used for service management in different ways.
-
-While Fabric
-sends commands from a single box, Serf instead rapidly broadcasts a message
-to the entire cluster in a distributed fashion. Fabric has a number of advantages
-in that it can collect the output of commands and stop execution if an
-error is encountered. Serf is unable to do these things since it has no single
-destination to send logs to, nor does it have any control flow. However,
-Fabric must be provided with a list of nodes to contact, whereas membership
-is built directly into Serf. Additionally, Serf is able to propagate a message
-within seconds to an entire cluster, allowing for much higher parallelism and
-scalability.
-
-Fabric is much more capable than Serf at system administration, but it is
-limited by its execution speed and lack of node discovery. Combined together,
-Fabric can query Serf for nodes and make use of message broadcasts where
-appropriate, using direct SSH exection when and where output is needed.