Remove ACTIONS_STEP_DEBUG from ci.

Author: gkellogg

.github/workflows/ci.yml

@@ -36,7 +36,6 @@ jobs:
         SOURCE: index.html
         VALIDATE_LINKS: false
         VALIDATE_MARKUP: true
-        ACTIONS_STEP_DEBUG: true
         W3C_ECHIDNA_TOKEN: ${{ secrets.ECHIDNA_TOKEN }}
         #W3C_WG_DECISION_URL: https://www.w3.org/2023/04/20-rdf-star-minutes.html#r03
         W3C_BUILD_OVERRIDE: |