🔪 unused sections

docs/focus/2018-03-26.md

@@ -7,12 +7,10 @@
 - Teletype
   - Added ability to share and join a portal via URL ([atom/teletype#109](https://github.com/atom/teletype/issues/109)) 👩‍💻:atom:🔗:atom:👨‍💻
   - Published initial draft of proposal for streamlining collaboration set-up, and issued request for comments ([atom/teletype#344](https://github.com/atom/teletype/pull/344))
-- Tree-sitter
 - Xray
   - Merged a PR that switches Xray to a client/server architecture [#46](https://github.com/atom/xray/pull/46).
   - Made good progress on a fast file finder [#55](https://github.com/atom/xray/pull/55)
   - See [this week's in depth update](https://github.com/atom/xray/blob/master/docs/updates/2018_03_26.md) for details.
-- Engineering Improvements
 - Reactor Duty
   - Further limit the ability to modify read-only `TextEditor` buffers. [#16736](https://github.com/atom/atom/issues/16736)
   - `TextEditor.scan()` methods skipped a row when a zero-length match was encountered at the end of a row. [#16983](https://github.com/atom/atom/issues/16983)
@@ -32,12 +30,10 @@
 - Teletype
   - Publish new Teletype release with support for sharing and joining a portal via URL ([atom/teletype-client#56](https://github.com/atom/teletype-client/pull/56))
   - Incorporate feedback into the RFC for streamlining collaboration set-up and open it up for another round of comments ([atom/teletype#344](https://github.com/atom/teletype/pull/344))
-- Tree-sitter
 - Xray
   - Finish the basic file finder experience [#55](https://github.com/atom/xray/pull/55)
   - Add ignore support to the file finder for improved performance in the common case.
   - Start on key bindings.
   - See [this week's in depth update](https://github.com/atom/xray/blob/master/docs/updates/2018_03_26.md) for details.
-- Engineering Improvements
 - Reactor Duty
   - Continue working down [the prioritized queue](https://github.com/orgs/atom/projects/2). :rocket: