welcome: Replace TestFlight link with iOS App Store.

apps/welcome/index.html

@@ -8,14 +8,10 @@
 		<link rel="stylesheet" href="regular.min.css" />
 		<link rel="stylesheet" href="solid.min.css" />
 		<link rel="stylesheet" href="brands.min.css" />
-
 		<style>
 			img {
 				margin-bottom: -8px;
 			}
-			.mySlides {
-				display: none;
-			}
 		</style>
 		<base target="_top" />
 	</head>
@@ -108,10 +104,10 @@
 										</a>
 										<a
 											class="w3-button w3-round-large w3-padding w3-blue-gray w3-margin-top"
-											href="https://testflight.apple.com/join/tXxgtSpE"
+											href="https://apps.apple.com/us/app/tilde-friends/id6742085604"
 										>
 											<img src="ios.svg" style="height: 2em; margin: 0" />
-											Get it on iOS (TestFlight)
+											Get it on iOS
 										</a>
 									</p>
 									<p>Just launch the app.</p>