[SDK-705] - feat: clean up demo subdomain toggle (#184)

<!-- Copy the TICKETID for this task from Jira and add it to the PR name
in brackets -->
<!-- PR name should look like: [TICKETID] My Pull Request -->

<!-- Add link for the ticket here editing the TICKETID-->

## [SDK-705](https://ready-player-me.atlassian.net/browse/SDK-705)

## Description

- Remove I don't have an account check, so that the subdomain is not
reset, when opening from new computer.

<!-- Fill the section below with Added, Updated and Removed information.
-->
<!-- If there is no item under one of the lists remove it's title. -->

<!-- Testability -->

## How to Test

- Add to new project to verify, that it defaults to demo
- When subdomain is set 

## Checklist

-   [ ] Tests written or updated for the changes.
-   [ ] Documentation is updated.
-   [ ] Changelog is updated.

<!--- Remember to copy the Changes Section into the commit message when
you close the PR -->





[SDK-705]:
https://ready-player-me.atlassian.net/browse/SDK-705?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

Editor/UI/EditorWindows/SetupGuide/SetupGuide.cs

@@ -15,7 +15,6 @@ public class SetupGuide : EditorWindow
         private const string ANALYTICS_PRIVACY_URL = "https://docs.readyplayer.me/ready-player-me/integration-guides/unity/help-us-improve-the-unity-sdk";
         private const string SUBDOMAIN_PANEL = "SubdomainPanel";
         private const string STUDIO_URL_LABEL = "StudioUrl";
-        private const string USE_DEMO_SUBDOMAIN_TOGGLE = "UseDemoSubdomainToggle";
         private const string ANALYTICS_PANEL = "AnalyticsPanel";
         private const string ANALYTICS_ENABLED_TOGGLE = "AnalyticsEnabledToggle";
         private const string NEXT_BUTTON = "NextButton";
@@ -86,32 +85,6 @@ private VisualElement InitializeSubdomainPanel()
                 ToggleNextButton();
             };
 
-            if (!ProjectPrefs.GetBool(USE_DEMO_SUBDOMAIN_TOGGLE) && CoreSettingsHandler.CoreSettings.Subdomain == CoreSettings.DEFAULT_SUBDOMAIN)
-            {
-                subdomainTemplate.ClearSubdomain();
-                nextButton.SetEnabled(false);
-            }
-            var demoSubdomainToggle = subdomainPanel.Q<Toggle>(USE_DEMO_SUBDOMAIN_TOGGLE);
-            demoSubdomainToggle.value = ProjectPrefs.GetBool(USE_DEMO_SUBDOMAIN_TOGGLE);
-            subdomainTemplate.SetFieldEnabled(!ProjectPrefs.GetBool(USE_DEMO_SUBDOMAIN_TOGGLE));
-            demoSubdomainToggle.RegisterValueChangedCallback(x =>
-            {
-                if (x.newValue)
-                {
-                    subdomainTemplate.SetDefaultSubdomain();
-                    subdomainTemplate.SetFieldEnabled(false);
-                    nextButton.SetEnabled(true);
-                    ProjectPrefs.SetBool(USE_DEMO_SUBDOMAIN_TOGGLE, true);
-                }
-                else
-                {
-                    subdomainTemplate.ClearSubdomain();
-                    subdomainTemplate.SetFieldEnabled(true);
-                    nextButton.SetEnabled(false);
-                    ProjectPrefs.SetBool(USE_DEMO_SUBDOMAIN_TOGGLE, false);
-                }
-            });
-
             return subdomainPanel;
         }
 

Editor/UI/EditorWindows/SetupGuide/SetupGuide.uxml

@@ -14,7 +14,6 @@
             </ui:VisualElement>
             <ReadyPlayerMe.Core.Editor.SubdomainTemplate class="SubdomainTemplate" style="margin-top: 15px; flex-shrink: 0;" />
             <ReadyPlayerMe.Core.Editor.AppIdTemplate style="flex-shrink: 0;" />
-            <ui:Toggle label="I don&apos;t have an account. Use demo subdomain instead." name="UseDemoSubdomainToggle" style="margin-left: 15px; margin-right: 15px; flex-direction: row-reverse; align-items: center; justify-content: space-between; align-self: flex-start; margin-top: 15px; margin-bottom: 15px; display: none;" />
         </ui:VisualElement>
         <ui:VisualElement name="AnalyticsPanel" style="flex-grow: 0; background-color: rgba(0, 0, 0, 0); margin-top: 0; height: 230px; flex-shrink: 0; display: flex; width: 500px;">
             <ui:VisualElement name="Heading" class="heading" style="flex-grow: 0; background-color: rgba(0, 0, 0, 0);">

Editor/UI/EditorWindows/Templates/SubdomainTemplate.cs

@@ -46,25 +46,6 @@ public SubdomainTemplate()
             subdomainField.RegisterCallback<FocusOutEvent>(OnSubdomainFocusOut);
         }
 
-        public void SetDefaultSubdomain()
-        {
-            partnerSubdomain = CoreSettings.DEFAULT_SUBDOMAIN;
-            subdomainField.value = partnerSubdomain;
-            SaveSubdomain();
-        }
-
-        public void ClearSubdomain()
-        {
-            partnerSubdomain = "";
-            subdomainField.value = partnerSubdomain;
-        }
-
-        public void SetFieldEnabled(bool enabled)
-        {
-            isSubdomainFieldEnabled = enabled;
-            subdomainField.SetEnabled(isSubdomainFieldEnabled);
-        }
-
         private static void OnSubdomainHelpClicked()
         {
             AnalyticsEditorLogger.EventLogger.LogFindOutMore(HelpSubject.Subdomain);