op-batcher [altda]: should not limit max frame size to max input size in generic mode

**Bug Description**
Exempt `op-batcher` max frame size from altDA max input size limit in generic commitment mode as per specs:

https://specs.optimism.io/experimental/alt-da.html#:~:text=exempt%20from%20this%20limit

**Steps to Reproduce**
* run op-batcher in altDA generic commitment mode

**Expected behavior**
does not throw `max frame size %d exceeds altDA max input size`

**Environment Information:**
macOS 14.1
op-batcher v1.15.0

**Configurations:**
`--altda.enabled`
`--altda.da-service`

**Additional context**

related: https://github.com/ethereum-optimism/optimism/issues/11185#issuecomment-2262601394

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- Bug Description
- Steps to Reproduce
- Environment Information

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Start at the op-batcher entry point and reproduce the error with --altda.enabled and --altda.da-service in generic commitment mode. Read the linked altDA specification and trace the max frame size validation. Done means generic mode no longer rejects a frame size solely because it exceeds the altDA max input size.

Written by the indexing model from the issue text.