feat: remove new PostHog code

Riot/Modules/Analytics/Analytics.swift

@@ -106,9 +106,12 @@ import AnalyticsEvents
         
         guard let session = session else { return }
         useAnalyticsSettings(from: session)
+#if POSTHOG
         client.updateSuperProperties(.init(appPlatform: .EI,
                                            cryptoSDK: .Rust,
                                            cryptoSDKVersion: session.crypto.version))
+        
+#endif
     }
     
     /// Stops analytics tracking and calls `reset` to clear any IDs and event queues.
@@ -174,6 +177,7 @@ import AnalyticsEvents
             switch result {
             case .success(let settings):
                 self.identify(with: settings)
+#if POSTHOG
                 self.client.updateSuperProperties(
                     AnalyticsEvent.SuperProperties(
                         appPlatform: .EI,
@@ -181,6 +185,7 @@ import AnalyticsEvents
                         cryptoSDKVersion: session.crypto.version
                     )
                 )
+#endif
                 self.service = nil
             case .failure:
                 MXLog.error("[Analytics] Failed to use analytics settings. Will continue to run without analytics ID.")