chore(ci): reduce number of jobs, remove build from lighthouse pipeline (#3861)

.github/workflows/e2e-test.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['10', '14']
+        node: ['10']
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node }}
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['10', '14']
+        node: ['14']
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node }}

.github/workflows/lighthouseCI.yml

@@ -5,19 +5,8 @@ on: pull_request_target
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node: ['12']
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js ${{ matrix.node }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node }}
-      - name: Install and Build
-        run: |
-          yarn install
-          yarn build
       - name: Wait for the Netlify Preview
         uses: jakepartusch/wait-for-netlify-action@v1
         id: netlify