remove unnecessary build step (#255764)

.github/workflows/pr-node-modules.yml

@@ -108,23 +108,6 @@ jobs:
           path: .build/node_modules_cache
           key: "node_modules-linux-${{ hashFiles('.build/packagelockhash') }}"
 
-      - name: Install build dependencies
-        if: steps.cache-node-modules.outputs.cache-hit != 'true'
-        working-directory: build
-        run: |
-          set -e
-
-          for i in {1..5}; do # try 5 times
-            npm ci && break
-            if [ $i -eq 5 ]; then
-              echo "Npm install failed too many times" >&2
-              exit 1
-            fi
-            echo "Npm install failed $i, trying again..."
-          done
-        env:
-          GITHUB_TOKEN: ${{ secrets.VSCODE_OSS }}
-
       - name: Install dependencies
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
         run: |