Remove the task "frame refactor" from the README

Author: masak

README.md

@@ -14,21 +14,6 @@ $ npm test
 
 ## Current ongoing tasks
 
-### Frame refactor
-
-A rewrite of the evaluator that takes up less code, and makes the code less
-tangled.
-
-```
-                          work
-                       ----------            [here]
-              work                  work       |
-            ----------           ----------    |
-   planning                               finishing up
-  ----------                               ----------
--------------------------------------------------------
-```
-
 ### Blade 32: hygiene
 
 ```