change various ResId classes that use conversion operator to OUString to
functions that return a OUString

drop various defines

drop unnecessary toString calls

Change-Id: Ibeccdf2b91a46a2ed5b4b74e6024e301a023bc92
Reviewed-on: https://gerrit.libreoffice.org/37817Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 2155e04d)

drop toString

Change-Id: I0f67c8931523bbe90bfbc8cc7d9a5bd523758ee5
(cherry picked from commit 8b110102)

pNameResId is unused

Change-Id: Ic1fe6abc7066517187695266c4d1a0888b41ffe7
(cherry picked from commit c2667d7f)
Reviewed-on: https://gerrit.libreoffice.org/37843Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>