invalidatable: cleanup dead code

Remove invalidatable type and all associated calls. All items can
directly invalidate the UI.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>

1 files changed, 1 insertions, 4 deletions

diff --git a/lib/ui/interfaces.go b/lib/ui/interfaces.go
index 8a62ecf0..757f81c9 100644
--- a/lib/ui/interfaces.go
+++ b/lib/ui/interfaces.go
@@ -12,10 +12,7 @@ type AercMsg interface{}
 type Drawable interface {
 	// Called when this renderable should draw itself.
 	Draw(ctx *Context)
-	// Specifies a function to call when this cell needs to be redrawn. The
-	// callback may be called in any goroutine.
-	OnInvalidate(callback func(d Drawable))
-	// Invalidates the drawable. This can be called from any goroutine.
+	// Invalidates the UI. This can be called from any goroutine.
 	Invalidate()
 }