Removed confusing phrase (That being said) at start of section 4.3

Author: td2014

book/04-git-server/sections/generating-ssh-key.asc

@@ -2,7 +2,7 @@
 === Generating Your SSH Public Key
 
 (((SSH keys)))
-That being said, many Git servers authenticate using SSH public keys.
+Many Git servers authenticate using SSH public keys.
 In order to provide a public key, each user in your system must generate one if they don't already have one.
 This process is similar across all operating systems.
 First, you should check to make sure you don't already have a key.