Remove support for PrimePush

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: bridge-impl-4.1.0, bridge-ext-5.0.1
• Fix Version/s: bridge-impl-4.1.1, bridge-ext-5.0.2
• Component/s: Liferay Faces Bridge Ext, Liferay Faces Bridge Impl / Demos / Tests
• Labels: None

This task involves removing support for PrimeFaces Push and removing the demos related to PrimeFaces Push since PrimeFaces Push has been deprecated in PrimeFaces 6.2 (and will be removed in 6.3).