take out warning about other-provider keys being experimental
take out warning about other-provider keys being experimental

svn path=/trunk/kdesupport/qca/; revision=664423

oktavarium/qca,JoshuaKolden/qca,KDE/qca,Esf-Software/qca,karolherbst/qca,highfidelity/qca,karolherbst/qca,Esf-Software/qca,KDE/qca,Esf-Software/qca,Esf-Software/qca,sladage/qca,Bjoe/qca,oktavarium/qca,JoshuaKolden/qca,KDE/qca,highfidelity/qca,highfidelity/qca,karolherbst/qca,sladage/qca,JoshuaKolden/qca,Bjoe/qca,oktavarium/qca,highfidelity/qca,sladage/qca,KDE/qca,Bjoe/qca,oktavarium/qca,sladage/qca,Bjoe/qca,JoshuaKolden/qca,karolherbst/qca