ci: remove explicit caching of node modules

.github/workflows/tests.yml

@@ -10,18 +10,6 @@ jobs:
         with:
           node-version: "22"
 
-      - name: Cache node modules
-        uses: actions/cache@v4
-        env:
-          cache-name: cache-node-modules
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-build-${{ env.cache-name }}-
-            ${{ runner.os }}-build-
-            ${{ runner.os }}-
-
       - name: Install Dependencies
         run: npm install