Core/WorldSession: Removed a silly return that might have been leaking memory under rare conditions

src/server/game/Server/WorldSession.cpp

@@ -172,10 +172,7 @@ WorldSession::~WorldSession()
 
     int32 z_res = deflateEnd(_compressionStream);
     if (z_res != Z_OK && z_res != Z_DATA_ERROR) // Z_DATA_ERROR signals that internal state was BUSY
-    {
         TC_LOG_ERROR(LOG_FILTER_NETWORKIO, "Can't close packet compression stream (zlib: deflateEnd) Error code: %i (%s)", z_res, zError(z_res));
-        return;
-    }
 
     delete _compressionStream;
 }