e2e: move several timeouts from TestContext into TimeoutContext

This consolidates timeout handling. In the future, configuration of all
timeouts via a configuration file might get added. For now, the same three
legacy command line flags for the timeouts that get moved continue to be
supported.

test/e2e/framework/framework.go

@@ -179,7 +179,7 @@ func NewFramework(baseName string, options Options, client clientset.Interface)
 		BaseName:  baseName,
 		Options:   options,
 		ClientSet: client,
-		Timeouts:  NewTimeoutContextWithDefaults(),
+		Timeouts:  NewTimeoutContext(),
 	}
 
 	// The order is important here: if the extension calls ginkgo.BeforeEach