Remove "throws FacesException" from API methods

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: None
• Fix Version/s: liferay-faces-2.1.5-ga6, liferay-faces-2.2.5-ga6, liferay-faces-3.0.5-legacy-ga6, liferay-faces-3.0.5-ga6, liferay-faces-3.1.5-ga6, liferay-faces-3.2.5-ga6, liferay-faces-4.2.5-ga6
• Component/s: Liferay Faces Alloy / Showcase / Tests, Liferay Faces Bridge Impl / Demos / Tests, Liferay Faces Portal / Demos / Tests, Liferay Faces Util
• Labels: None

Some of the Liferay Faces API methods (especially in factories) throw javax.faces.FacesException unnecessarily. throws FacesException should be removed from the methods which never actually throw a FacesException.