Fix issue navigating to users profile when instance is a different platform (#997)

Author: micahmo

lib/utils/instance.dart

@@ -67,17 +67,17 @@ final RegExp username = RegExp(r'^@?(https?:\/\/)?((?:(?!\/u\/u).)*)@(.*)$');
 /// Otherwise, returns null.
 Future<String?> getLemmyUser(String text) async {
   final RegExpMatch? fullUsernameUrlMatch = fullUsernameUrl.firstMatch(text);
-  if (fullUsernameUrlMatch != null && fullUsernameUrlMatch.groupCount >= 4 && await isLemmyInstance(fullUsernameUrlMatch.group(4))) {
+  if (fullUsernameUrlMatch != null && fullUsernameUrlMatch.groupCount >= 4) {
     return '${fullUsernameUrlMatch.group(3)}@${fullUsernameUrlMatch.group(4)}';
   }
 
   final RegExpMatch? shortUsernameUrlMatch = shortUsernameUrl.firstMatch(text);
-  if (shortUsernameUrlMatch != null && shortUsernameUrlMatch.groupCount >= 3 && await isLemmyInstance(shortUsernameUrlMatch.group(2))) {
+  if (shortUsernameUrlMatch != null && shortUsernameUrlMatch.groupCount >= 3) {
     return '${shortUsernameUrlMatch.group(3)}@${shortUsernameUrlMatch.group(2)}';
   }
 
   final RegExpMatch? usernameMatch = username.firstMatch(text);
-  if (usernameMatch != null && usernameMatch.groupCount >= 3 && await isLemmyInstance(usernameMatch.group(3))) {
+  if (usernameMatch != null && usernameMatch.groupCount >= 3) {
     return '${usernameMatch.group(2)}@${usernameMatch.group(3)}';
   }