Revert "updater: check every 12 hours for updates for now"

This reverts commit bb5622adc5db348efcc9a6f41d19de9f00a367dd, going back to a
less aggressive 7 day period for now.

Change-Id: I439a49f3ca6761ef17ca2b92d395b0de5c400197
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/161050
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
(cherry picked from commit 9f909a9692d3a9a4371b4abb106defd83d28a6f3)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/161020
diff --git a/desktop/source/app/app.cxx b/desktop/source/app/app.cxx
index 8136d39..0d66a48 100644
--- a/desktop/source/app/app.cxx
+++ b/desktop/source/app/app.cxx
@@ -1121,7 +1121,7 @@ bool isTimeForUpdateCheck()
    sal_uInt64 nLastUpdate = officecfg::Office::Update::Update::LastUpdateTime::get();
    sal_uInt64 nNow = tools::Time::GetSystemTicks();

    sal_uInt64 n7DayInMS = 1000 * 60 * 60 * 12 * 1; // 12 hours in ms
    sal_uInt64 n7DayInMS = 1000 * 60 * 60 * 24 * 7; // 7 days in ms
    if (nNow - n7DayInMS >= nLastUpdate)
        return true;