chore: Remove the triage label (sqlc-dev#3527)

It wasn't being used and just cluttered things

Author: kyleconroy

.github/ISSUE_TEMPLATE/BUG_REPORT.yml

@@ -1,6 +1,6 @@
 name: Bug Report
 description: File a bug report
-labels: [bug, triage]
+labels: [bug]
 body:
   - type: dropdown
     id: version

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.yml

@@ -1,6 +1,6 @@
 name: Feature Request
 description: Request a new feature or a change to an existing feature
-labels: [enhancement, triage]
+labels: [enhancement]
 body:
   - type: textarea
     id: feature