Remove usage of unrouted and untriaged labels

[hubertdeng123]

👋

[chadwhitacre]

This PR seems to do a fine job of search/replacing Status for Waiting for labels. I think there's some deeper refactoring that could go along with this, but no need to block on that here.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.06 ⚠️

Comparison is base (0b2a35b) 84.50% compared to head (a39eb13) 84.45%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #517      +/-   ##
==========================================
- Coverage   84.50%   84.45%   -0.06%     
==========================================
  Files          96       96              
  Lines        2479     2471       -8     
  Branches      481      473       -8     
==========================================
- Hits         2095     2087       -8     
  Misses        377      377              
  Partials        7        7              

Impacted Files	Coverage Δ
src/config/index.ts	98.01% <ø> (-0.04%)	⬇️
src/brain/issueLabelHandler/followups.ts	100.00% <100.00%> (ø)
src/brain/issueLabelHandler/index.ts	100.00% <100.00%> (ø)
src/brain/issueLabelHandler/route.ts	97.29% <100.00%> (-0.08%)	⬇️
src/brain/issueLabelHandler/triage.ts	97.77% <100.00%> (+0.05%)	⬆️
src/brain/issueNotifier/index.ts	77.41% <100.00%> (+0.24%)	⬆️
src/utils/businessHours.ts	98.98% <100.00%> (-0.06%)	⬇️

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.