Revise disagg calc to IML only

The disagg calc should only support disaggAtIml; return period is conditioned on disagg calc having access to hazard curve

changed title from Separate deagg service into IML and RP flavors to Revise disagg calc to IML only

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changed milestone to %nshmp-lib Review Ready - Sprint 2

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assigned to @pmpowers

changed milestone to %NSHM App Update

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removed milestone %NSHM App Update

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added Hazard-Disagg label

changed milestone to %NSHM Hazard Tool launch

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changed milestone to %NSHM Hazard Tool Launch - 2

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