Update IssueTriage.md

Drop unused/deleted labels

Author: inexorabletash

IssueTriage.md

@@ -2,8 +2,6 @@
 
 TODO: Consider removing these, or fit these into the documentation below.
 
-- **dependencies** - unused?
-- **tag** - redundant with **tag-needs-resolution** and **tag-tracker** ?
 - **enhancement** - unclear if this is about the spec text, the proposed API, etc. Prefer **feature request** etc.
 - **help wanted** - unclear what help is needed; use **needs PR** or **question** instead?