docs (deis-cli): removed sudo for consistency

Removed sudo from the command for consistency

Author: babarinde

docs/using_deis/install-client.rst

@@ -22,7 +22,7 @@ somewhere in your $PATH:
 
 .. code-block:: console
 
-    $ sudo ln -fs $PWD/deis /usr/local/bin/deis
+    $ ln -fs $PWD/deis /usr/local/bin/deis
 
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