docs: remove links to ADP devices

you don't yet have a device, check with the service providers in your area to determine which

Android-powered devices are available.</p>

<p>If you want a SIM-unlocked phone, then you might consider either an Android Dev Phone or the

Google Nexus S. These are SIM-unlocked so that you can use them on any GSM network using a SIM

card. The Android Dev Phones also feature an unlocked bootloader so you can install custom system

images (great for developing and installing custom versions of the Android platform). To find a

a place you can purchase the Nexus S, visit <a

href="http://www.google.com/phone/detail/nexus-s">google.com/phone</a>. To purchase an Android

Dev Phone, see the <a href="http://market.android.com/publish">Android Market</a> site

(requires a developer account).</p>

<p>If you want a SIM-unlocked phone, then you might consider the Google Nexus S. To find a place

to purchase the Nexus S and other Android-powered devices, visit <a

href="http://www.google.com/phone/detail/nexus-s">google.com/phone</a>.</p>

<p class="note"><strong>Note:</strong> When developing on a device, keep in mind that you should

still use the <a