codefix

Signed-off-by: Nlimingkang <limingkang1@huawei.com>
Change-Id: If65259f2aa67ebf1598780b16585ca242d198b79

test/fuzztest/refreshwatcher_fuzzer/refreshwatcher_fuzzer.cpp

@@ -24,9 +24,7 @@ namespace OHOS {
     {
         bool result = false;
         std::unique_ptr<WatcherManager> watcherManager = std::make_unique<WatcherManager>(0, true);
-        if (watcherManager == nullptr) {
-            return result;
-        }
+        
         std::string str(reinterpret_cast<const char*>(data), size);
 
         if (!watcherManager->RefreshWatcher(str, *data)) {