Remove LoginAPI, because it does not belongs to JMAP server

model/lib/extensions/presentation_account_extension.dart

@@ -1,7 +0,0 @@
-import 'package:model/model.dart';
-
-extension PresentationAccountExtension on PresentationAccount {
-  PresentationAccountResponse toPresentationAccountResponse() {
-    return PresentationAccountResponse(emails, preferredEmailIndex, type);
-  }
-}

model/lib/extensions/user_profile_extension.dart

@@ -2,19 +2,6 @@ import 'package:model/model.dart';
 
 extension UserProfileExtension on UserProfile {
   UserProfileResponse toUserProfileResponse() {
-    return UserProfileResponse(
-      id,
-      firstName,
-      lastName,
-      jobTitle,
-      service,
-      buildingLocation,
-      officeLocation,
-      mainPhone,
-      description,
-      currentAvatar,
-      avatars,
-      accounts.map((account) => account.toPresentationAccountResponse()).toList()
-    );
+    return UserProfileResponse(email);
   }
 }