follow up to core patternfly/patternfly#6183

The following was done with core bump PR #10017

• Removed light color variant form DrawerColorVariant
• disabled out color variant unit test
• removed color variant from drawer integration demo
• disabled drawer background variant integration test
• Removed light variant from Modal with drawer Wizard Demos and In page with drawer wizard Demos
• Removed light variant from drawer panel wizard test
• Removed light variant from WizardWithDrawer example
• disabled failing integration test