Fix minor issues in Github Actions

.github/workflows/release.yml

@@ -9,11 +9,6 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 20
     steps:
-      - id: event
-        run: |
-          METADATA=$(cargo metadata --no-deps)
-          echo "::set-output name=payload::$(cat $GITHUB_EVENT_PATH)"
-
       - name: Checkout Repo
         uses: actions/checkout@v2
         with:

.github/workflows/site.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   site:
     name: Publish Site
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     timeout-minutes: 10
     steps:
       - name: Checkout Repo
@@ -22,10 +22,6 @@ jobs:
         with:
           node-version: '14'
 
-      - name: Setup AWS CLI
-        if: github.ref == 'refs/heads/main'
-        uses: chrislennon/[email protected]
-
       - name: Get Yarn cache directory
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"