Remove old firmware from Quick Start page on website.

Author: VanceVagell

website-src/quick_start.html

@@ -209,8 +209,7 @@ <h1>Optional: Web-based firmware flasher</h1>
 						<li><b>If you don't see a red button below, your browser doesn't support flashing.</b></li>
 					</ul>
 					<li><b>Select the device "CP2102 USB to UART Bridge Controller"</b>: 
-					<esp-web-install-button manifest="https://kv4p.com/esp-web-tools/manifest-v8.json"><button slot="activate">Flash firmware v8</button></esp-web-install-button>
-					<esp-web-install-button manifest="https://kv4p.com/esp-web-tools/manifest-v12.json"><button slot="activate">Flash firmware v12 (beta users)</button></esp-web-install-button></li>
+					<esp-web-install-button manifest="https://kv4p.com/esp-web-tools/manifest-v12.json"><button slot="activate">Flash firmware v12</button></esp-web-install-button></li>
 					<li>Device not showing up? You might need to install the <a href="https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers?tab=downloads" target="_new">CP210x device driver</a>.</li>
 				</ul>
 			</div>