Retire Events subscriptions and owner payment gateways.

Make Ladill Events free for all accounts, remove plan upgrade UI, force Ladill Pay only for tickets and contributions, and reinstate standard platform fees.

app/Services/Events/SubscriptionService.php

@@ -17,7 +17,8 @@ class SubscriptionService
 
     public function gatingActive(): bool
     {
-        return (bool) config('events.pro.enabled', true) && $this->billing->configured();
+        // Paid Events subscriptions are retired — product is free for all accounts.
+        return false;
     }
 
     public function priceMinor(): int
@@ -74,10 +75,10 @@ class SubscriptionService
         return $this->hasPaidPlan($user);
     }
 
-    /** Own payment gateway (Paystack / Flutterwave / Hubtel) requires Pro or Business. */
+    /** Custom / owner payment gateways are retired — Ladill Pay only. */
     public function canUsePaymentGateway(User $user): bool
     {
-        return $this->hasPaidPlan($user);
+        return false;
     }
 
     public function liveEventCount(User $user): int