dfbtest_layers: remove opacity flag for now
dfbtest_layers: remove opacity flag for now

djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,Distrotech/DirectFB,mtsekm/test,dfbdok/DirectFB1,mtsekm/test,kevleyski/DirectFB-1,DirectFB/directfb,jcdubois/DirectFB,kevleyski/directfb,sklnet/DirectFB,lancebaiyouview/DirectFB,kevleyski/DirectFB-1,kevleyski/DirectFB-1,DirectFB/directfb,kevleyski/directfb,deniskropp/DirectFB,lancebaiyouview/DirectFB,sklnet/DirectFB,kaostao/directfb,sklnet/DirectFB,sklnet/DirectFB,jcdubois/DirectFB,dfbdok/DirectFB1,deniskropp/DirectFB,deniskropp/DirectFB,djbclark/directfb-core-DirectFB,Distrotech/DirectFB,mtsekm/test,kevleyski/DirectFB-1,kaostao/directfb,kevleyski/directfb,dfbdok/DirectFB1,deniskropp/DirectFB,lancebaiyouview/DirectFB,lancebaiyouview/DirectFB,DirectFB/directfb,kaostao/directfb,jcdubois/DirectFB,djbclark/directfb-core-DirectFB,Distrotech/DirectFB,kevleyski/directfb