Bug 12690 - opacuserjs gets loaded twice in self checkout

Bug 12690 - opacuserjs gets loaded twice in self checkout

This patch removes a second instance of "opacuserjs" in the opac
self-checkout.

_TEST PLAN_

1) Enable OPAC Self-checkout in the system preferences
2) Type the following code into your "opacuserjs" system preference:

alert("This is a test");

2) Visit /cgi-bin/koha/sco/sco-main.pl
3) Note that you get a pop-up saying "This is a test" twice.

4) Apply the patch

5) Refresh /cgi-bin/koha/sco/sco-main.pl
6) Note that you now only get a pop-up saying "This is a test" once.

Followed test plan, patch behaves as expected.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
opac-bottom.inc already adds opacuserjs, so the additional line
in this template can be removed.
Works as described, no problems found.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>