Simplify the class hierarchy of bridge URLs by removing marker interfaces

• 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 Bridge Impl / Demos / Tests
• Labels: None

The following interfaces were originally designed as marker interfaces in order to provide a distinction between different types of URLs that the bridge needs to encode:

com.liferay.faces.bridge.context.url.BridgeActionURL
com.liferay.faces.bridge.context.url.BridgePartialActionURL
com.liferay.faces.bridge.context.url.BridgeRedirectURL
com.liferay.faces.bridge.context.url.BridgeResponseURL

However, since these distinctions proved to be unnecessary, these interfaces and corresponding wrapper abstract classes are to be removed in favor of simply using com.liferay.faces.bridge.context.url.BridgeURL.