links to *.js files are broken

```
While building package `codemirror`:
error: File not found: lib/codemirror/mode/css/less.js
error: File not found: lib/codemirror/mode/mysql/mysql.js
error: File not found: lib/codemirror/mode/ocaml/ocaml.js
error: File not found: lib/codemirror/mode/plsql/plsql.js
error: File not found: lib/codemirror/mode/rpm/changes/changes.js
error: File not found: lib/codemirror/mode/rpm/spec/spec.js
```

i have removed references to missing files.