remove transifex configuration
remove "es_ES" as it is the same as "es" and prevent weblate usage
prevent po updates when generating pot files (weblate does that for us)

During April Fools in the morning, Wanda the fish is expected to show up
upside down, with dirty-looking water, as though dead. However, because
of the hour comparison, it ends up alternating between the standard
animation and the dead fish.

to make it work after the year 2038

See https://en.wikipedia.org/wiki/Year_2038_problem

This patch was done while reviewing potential year-2038 issues in openSUSE.

This allows users to open the clock/calendar popup through DBus, which
means we could configure a keybinding for it.

This in turn emits an 'activate' signal that any applet can connect to
and perform whatever action it means to activate in that applet.

This allows users to control certain applet functionalities through
DBus, like registering new keybindings, or integrating them with other
software.