Update docs.

README.md

@@ -3,10 +3,6 @@
 An experimental wrapper package for the Gio immediate mode GUI, designed to reduce
 boilerplate.
 
-```
-go run ~/go/src/git.wow.st/gmp/giowrap/cmd/hello/main.go
-```
-
 The basic concept is to define a `Context` type that contains the Gio variables
 required for layout and drawing. `Context` contains a pointer to `app.Window` and
 `ui.Ops` so that, once layout is complete, you can call `Context.Draw()` to draw
@@ -63,6 +59,5 @@ func (f Flex) Flexible(v float32) Widget {
 			giowrap.Flexible(1),
 			w3,
 		))
-	ctx.Draw()
 ...
 ```