Bug 18292: Remove return 1 statements in tests

Bug 18292: Remove return 1 statements in tests

The test files do not need to return 1

Patch generated with:
perl -p -i -e "s/^1;\n//xsm" t/**/*.t

Test plan:
  git grep '^1;$' t/**/*.t
should not return any results

NOTE: does not fix C4/SIP/t, nor xt tests.

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit b1ba7fac2c246c2dd52aa4d35884a03d542a26f4)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>