Remove viewState data layer variable

[nickpistone]

Description

Since we are capturing eligible vs ineligible in the pageView variable, we won't need this anymore. And we will be able to capture the zero benefits with the eligible benefit variable.

User Story

No response

Acceptance Criteria

viewState data layer variable/attribute is removed

[scottqueen-bixal]

makes sense, we will remove this key value pair https://github.com/GSA/px-benefit-finder/blob/dev/benefit-finder/src/shared/utils/dataLayerUtils/dataLayerStructure.js#L32C1-L36C9

[nickpistone]

Confirmed