rollup endpoint is not available in "geth attach"

[forcodedancing]

Describe the bug rollup endpoint is not available in "geth attach"

To Reproduce Steps to reproduce the behavior:

1. geth attach http://127.0.0.1:8545
2. you will see there is a module named "rollup:1.0"
3. when try to use this endpoint as others (e.g., eth, admin), there will be an error "rollup is not defined"

Expected behavior rollup endpoint should work well as other endpoints (e.g., eth, admin).

Screenshots

System Specs:

• OS: MAC
• Package Version (or commit hash): latest master branch