qt

Nightly: remove C++17 nightly run


C++17 is default.

This reverts dbac25e422efd64451d42dec57ea8a1294594097 .

Pick-to: 6.12
Change-Id: I80cb2e50a39630b103bdea651843cf132c1d0666
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
commit1045923241fe388c5c7002e1e9e7c84d0d99b4ba
parent8b0c30dcccb86602251fc660957d0927971ce022
authorLiang Qi <liang.qi@qt.io>
committerLiang Qi <liang.qi@qt.io>
commit timeFri, 9 Oct 2026 13:12:42 +0000