Remove API key

Author: nccatoni

.github/workflows/system_tests.yml

@@ -29,9 +29,6 @@ jobs:
     needs:
       - build
     uses: DataDog/system-tests/.github/workflows/system-tests.yml@1e5d6b7096279ca43ce4826fda3cc805635b63c1
-    secrets:
-      DD_API_KEY: ${{ secrets.DD_API_KEY }}
-      TEST_OPTIMIZATION_API_KEY: ${{ secrets.TEST_OPTIMIZATION_API_KEY }}
     permissions:
       id-token: write
     with: