nit: fix some eventsub mini things (#5895)

src/providers/twitch/eventsub/Controller.hpp

@@ -31,10 +31,6 @@ public:
     ///
     /// If no open connection has room for this subscription, this function will
     /// create a new connection and queue up the subscription to run again after X seconds.
-    ///
-    /// TODO: Return a SubscriptionHandle that handles unsubscriptions
-    /// Dupe subscriptions should return shared subscription handles
-    /// So no more owners of the subscription handle means we send an unsubscribe request
     [[nodiscard]] virtual SubscriptionHandle subscribe(
         const SubscriptionRequest &request) = 0;
 };

src/providers/twitch/eventsub/SubscriptionHandle.cpp

@@ -8,7 +8,7 @@ namespace chatterino::eventsub {
 RawSubscriptionHandle::RawSubscriptionHandle(SubscriptionRequest request_)
     : request(std::move(request_))
 {
-    // getApp()->getEventSub()->addRef(request);
+    // The reference is added by the EventSub controller
 }
 
 RawSubscriptionHandle::~RawSubscriptionHandle()

src/providers/twitch/eventsub/SubscriptionHandle.hpp

@@ -14,6 +14,10 @@ struct RawSubscriptionHandle {
     ~RawSubscriptionHandle();
 };
 
+/// Keeps a reference count of a specific subscription
+///
+/// If no more references exist of a specific subscription, we send an
+/// unsubscription request
 using SubscriptionHandle = std::unique_ptr<RawSubscriptionHandle>;
 
 }  // namespace chatterino::eventsub