Revert "different npm caches per project"

This reverts commit 81e2347.

Author: giurgiur99

.github/workflows/ci.yml

@@ -318,22 +318,12 @@ jobs:
           repository: 'oceanprotocol/ocean.js'
           path: 'ocean.js'
           ref: main
-      - name: Cache ocean.js node_modules
-        uses: actions/cache@v3
-        with:
-          path: ocean.js/node_modules
-          key: ${{ runner.os }}-oceanjs-${{ hashFiles('ocean.js/package-lock.json') }}
       - name: Build ocean-js
         working-directory: ${{ github.workspace }}/ocean.js
         run: |
           npm ci
           npm run build
           npm link
-      - name: Cache ocean-cli node_modules
-        uses: actions/cache@v3
-        with:
-          path: ocean-cli/node_modules
-          key: ${{ runner.os }}-oceancli-${{ hashFiles('ocean-cli/package-lock.json') }}
       - name: Setup Ocean CLI
         working-directory: ${{ github.workspace }}/ocean-cli
         run: |