change valid-from for old sans2d idf. re #8844
Revert "change valid-from for old sans2d idf. re #8844"

This reverts commit b675bbfebb2940e42f9d85ea10df4cf0077cbe20.
change to valid-to. re #8844
Merge branch 'feature/8844_new_sans2d_idf' into develop