remove cache from action

Author: nicogeburek

.github/workflows/wdi5-tests.yml

@@ -23,8 +23,8 @@ jobs:
         uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
-          cache: "npm"
-          cache-dependency-path: "**/package-lock.json"
+          # cache: "npm"
+          # cache-dependency-path: "**/package-lock.json"
 
       - name: install packages
         run: npm ci