refactor: Delete unnecessary watcher

As title.

Task: https://pms.uniontech.com/task-view-381443.html

Author: wangrong1069

logViewerService/assets/data/deepin-log-viewer-daemon.service

@@ -20,13 +20,16 @@ InaccessiblePaths=-/etc/pam.d
 InaccessiblePaths=-/usr/share/uadp/
 
 NoNewPrivileges=yes
+ReadWritePaths=-/var/log/deepin/deepin-log-viewer-service
 # 传参需要/home，比如导出日志到/home路径下，读取/home/$user/.cache下应用日志
 #ProtectHome=yes
 ProtectKernelTunables=yes
 ProtectKernelModules=yes
 ProtectControlGroups=yes
-PrivateMounts=yes 
-PrivateTmp=yes
+PrivateMounts=yes
+# 用于接收 ops log
+# PrivateTmp=yes
+ReadWritePaths=-/tmp
 PrivateDevices=yes
 PrivateNetwork=yes
 RestrictNamespaces=yes

logViewerService/logviewerservice.cpp

@@ -1306,6 +1306,7 @@ bool LogViewerService::checkAuth(const QString &actionId)
 
 bool LogViewerService::exportOpsLog(const QString &outDir, const QString &homeDir)
 {
+    qCDebug(logService) << "exportOpsLog for outDir:" << outDir << "and homeDir:" << homeDir;
     if(!checkAuth(s_Action_Export)) {
         qCDebug(logService) << "Invalid authorization for export log";
         return false;

logViewerService/logviewerwatcher.cpp

@@ -3,7 +3,6 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "logviewerservice.h"
-#include "logviewerwatcher.h"
 
 #include <DLog>
 
@@ -63,7 +62,6 @@ int main(int argc, char *argv[])
         qCCritical(logService) << "registerService failed:" << systemBus.lastError();
         exit(0x0001);
     }
-    LogViewerWatcher watcher;
     LogViewerService service;
     if (!systemBus.registerObject(LogViewrPath,
                                   &service,