Bug 11493: Revert "Bug 6869 Batch item modification fails whit accented characters"

Bug 11493: Revert "Bug 6869 Batch item modification fails whit accented characters"

This reverts commit c9905750e53e2e1615842ac696d5eeb0a8ac07fc.

Test plan:
1/ Open a bib record with more than 1 item ,
2/ Select all items
3/ Chose Modify selected items
4/ put you "ق ك و" in notes
5/ Verify the items have been updated correctly
6/ put you "éàç" in notes
7/ Verify the items have been updated correctly
8/ put you "ق ك و éàç" in notes
9/ Verify the items have been updated correctly

Patch behaves as expected.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Confirmed bug on master and that the patch fixes it.
Passes all tests and the QA script.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit e55d89be20acb58deb45a30c113bf0f07170fd33)