CLT are not needed if full Xcode is installed

Author: tdsmith

docs/starting/install/osx.rst

@@ -32,10 +32,6 @@ package.
     In combination, the software can cause issues that are difficult to
     diagnose.
 
-.. note::
-    If you perform a fresh install of Xcode, you will also need to add the 
-    commandline tools by running ``xcode-select --install`` on the terminal.
-
 While OS X comes with a large number of UNIX utilities, those familiar with
 Linux systems will notice one key component missing: a decent package manager.
 `Homebrew <http://brew.sh>`_ fills this void.