sc: remove optimization disabling workaround for GCC 4.5 bug
sc: remove optimization disabling workaround for GCC 4.5 bug

... since we need newer GCC for C++11 anyway.

Change-Id: I5408d9066b9f1efec234fe05551fed2d8fb583ed
Reviewed-on: https://gerrit.libreoffice.org/11394
Reviewed-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>
Tested-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core