Bug 30950: Remove timepicker.inc

No longer used since
  commit de2d8ba3e4
  Bug 30011: Update links to jQueryUI assets, remove datepicker references, etc.

We must remove it from our codebase.

Test plan:
  git grep timepicker.inc
Should not return occurrences outside of PO's

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

koha-tmpl/intranet-tmpl/prog/en/includes/timepicker.inc

@@ -1,25 +0,0 @@
-<!-- timepicker.inc -->
-<script>
-    /* Localization of the timepicker plugin */
-    jQuery(function($){
-        $.timepicker.regional[''] = {
-            timeFormat: "[% IF Koha.Preference('TimeFormat') == '12hr' %]hh:mm TT[% ELSE %]HH:mm[% END %]",
-            currentText: _("Now"),
-            closeText: _("Done"),
-            amNames: [_("AM"), _("A")],
-            pmNames: [_("PM"), _("P")],
-            timeSuffix: "",
-            timeOnlyTitle: _("Choose time"),
-            timeText: _("Time"),
-            hourText: _("Hour"),
-            minuteText: _("Minute"),
-            secondText: _("Second"),
-            millisecText: _("Millisecond"),
-            microsecText: _("Microsecond"),
-            timezoneText: _("Time zone"),
-            [% IF ( bidi ) %] isRTL: true [% ELSE %] isRTL: false [% END %]
-        };
-        $.timepicker.setDefaults($.timepicker.regional['']);
-    });
-</script>
-<!-- / timepicker.inc -->