Removed explicit comparsion with nullptr

Author: domwst

ydb/library/actors/wilson/wilson_span.cpp

@@ -52,7 +52,7 @@ namespace NWilson {
     }
 
     void TSpan::Send() {
-        if (Data->ActorSystem != nullptr) {
+        if (Data->ActorSystem) {
             Data->ActorSystem->Send(new IEventHandle(MakeWilsonUploaderId(), {}, new TEvWilson(&Data->Span)));
         }
         Data->Sent = true;

ydb/library/actors/wilson/wilson_span.h

@@ -64,9 +64,9 @@ namespace NWilson {
                 , StartCycles(startCycles)
                 , TraceId(std::move(traceId))
                 , Flags(flags)
-                , ActorSystem(actorSystem != nullptr ? actorSystem : (NActors::TlsActivationContext ? NActors::TActivationContext::ActorSystem() : nullptr))
+                , ActorSystem(actorSystem ? actorSystem : (NActors::TlsActivationContext ? NActors::TActivationContext::ActorSystem() : nullptr))
             {
-                Y_DEBUG_ABORT_UNLESS(ActorSystem != nullptr, "Attempting to create NWilson::TSpan outside of actor system without providing actorSystem pointer");
+                Y_DEBUG_ABORT_UNLESS(ActorSystem, "Attempting to create NWilson::TSpan outside of actor system without providing actorSystem pointer");
             }
 
             ~TData() {