Delete addproxy.txt

_pages/en_US/include/addproxy.txt

@@ -1,15 +0,0 @@
-If you haven't already, make sure you have a working Internet connection set up on your console.
-{: .notice--info}
-
-A visual guide is available for this section [here](/images/screenshots/set-proxy.png).
-{: .notice--success}
-
-1. Launch the System Settings application
-1. Navigate to `Internet Settings` -> `Connection Settings`
-1. Click on your network connection slot and navigate to `Change Settings` -> `Next Page (right arrow)` -> `Proxy Settings`
-1. Set "Proxy Settings" to "Yes", then click `Detailed Setup`
-1. Set the Proxy Server to `ssloth.nintendohomebrew.com`, and the Port to `8080`
-1. Click OK, then click Save
-1. When prompted, click "Test" to perform the connection test
-    + The test should succeed
-1. Click "OK" to continue