Remove push proxy scheme build setting

Packages/PushNotifications/Sources/PushNotifications/PushManager.swift

@@ -24,15 +24,13 @@ public struct PushManager {
     @MainActor
     private static func createPushManager() -> any _PushManager {
         guard let info = Bundle.main.object(forInfoDictionaryKey: "TuskerInfo") as? [String: Any],
-              let scheme = info["PushProxyScheme"] as? String,
               let host = info["PushProxyHost"] as? String,
-              !scheme.isEmpty,
               !host.isEmpty else {
             logger.debug("Missing proxy info, push disabled")
             return DisabledPushManager()
         }
         var endpoint = URLComponents()
-        endpoint.scheme = scheme
+        endpoint.scheme = "https"
         endpoint.host = host
         let url = endpoint.url!
         logger.debug("Push notifications enabled with proxy \(url.absoluteString, privacy: .public)")

Tusker.xcconfig.example

@@ -3,3 +3,4 @@
 DEVELOPMENT_TEAM = YOUR_TEAM_ID
 BUNDLE_ID_PREFIX = com.example
 
+TUSKER_PUSH_PROXY_HOST = 

Tusker/Info.plist

@@ -105,8 +105,6 @@
 	<dict>
 		<key>PushProxyHost</key>
 		<string>$(TUSKER_PUSH_PROXY_HOST)</string>
-		<key>PushProxyScheme</key>
-		<string>$(TUSKER_PUSH_PROXY_SCHEME)</string>
 		<key>SentryDSN</key>
 		<string>$(SENTRY_DSN)</string>
 	</dict>