Remove unused fields in ETagWatcher (#12241)

Author: erikjv

src/gui/scheduling/etagwatcher.cpp

@@ -65,7 +65,6 @@ void ETagWatcher::slotFolderListChanged()
                     QString spaceId = f->definition().spaceId();
                     auto &info = _lastEtagJobForSpace[spaceId];
                     info.etag = etag;
-                    info.lastUpdate.reset();
                     if (f->accountState()) {
                         f->accountState()->tagLastSuccessfulETagRequest(time);
                     }
@@ -93,7 +92,6 @@ void ETagWatcher::updateEtag(const QString &spaceId, const QString &etag)
                 _folderMan->scheduler()->enqueueFolder(info.folder);
             }
         }
-        info.lastUpdate.reset();
     } else {
         qCWarning(lcEtagWatcher) << "Invalid empty etag received for space" << spaceId;
     }

src/gui/scheduling/etagwatcher.h

@@ -14,7 +14,6 @@
 
 #pragma once
 
-#include "common/chronoelapsedtimer.h"
 #include "libsync/graphapi/space.h"
 
 #include <QObject>
@@ -45,8 +44,6 @@ public Q_SLOTS:
     {
         QString etag;
         Folder *folder;
-        // only used with oc10 in order to decide whether we need to query the etag
-        Utility::ChronoElapsedTimer lastUpdate;
     };
 
     std::unordered_map<QString, ETagInfo> _lastEtagJobForSpace;