remove redundancy

.github/workflows/_ci.yml

@@ -32,15 +32,3 @@ jobs:
         run: yarn lint
       - name: format
         run: yarn prettier:check
-
-  contract-test:
-    runs-on: ubuntu-latest
-    needs: [check]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/cache@v4
-        with:
-          path: '**/node_modules'
-          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
-      - name: integration_test
-        run: yarn workspace contract test