Remove redundant "too" in git-on-a-server.asc

Author: rmzelle

book/04-git-server/sections/git-on-a-server.asc

@@ -5,7 +5,7 @@ Now we'll cover setting up a Git service running these protocols on your own ser
 
 [NOTE]
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-Here we'll be demonstrating the commands and steps needed to do basic, simplified installations on a Linux based server, though it's also possible to run these services on Mac or Windows servers too.
+Here we'll be demonstrating the commands and steps needed to do basic, simplified installations on a Linux based server, though it's also possible to run these services on Mac or Windows servers.
 Actually setting up a production server within your infrastructure will certainly entail differences in security measures or operating system tools, but hopefully this will give you the general idea of what's involved.
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