Remove outdated landing page deployment steps from workflow

Author: milesmcc

.github/workflows/sync-deployments.yml

@@ -37,23 +37,6 @@ jobs:
           add-paths: docs
           title: "Deploy recent documentation changes to `docs.atlos.org`"
           labels: automatic, deployment, docs
-  updateLanding:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: deployments/landing
-      - name: Reset promotion branch
-        run: |
-          git fetch origin main:main
-          git reset --hard main
-      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
-        with:
-          branch: main
-          add-paths: landing
-          title: "Deploy recent landing page changes to `atlos.org`"
-          labels: automatic, deployment, landing
   updateGAP:
     runs-on: ubuntu-latest
     steps: