Update source/handbook/sales/onboarding/sales-learning-path/index.html.md

Why is this change being made?

https://gitlab.com/gitlab-com/sales-team/field-operations/enablement/-/issues/210

https://gitlab.com/gitlab-com/sales-team/field-operations/enablement/-/issues/216

Describe in detail answer to question on why this change is being proposed, in accordance with our value of Transparency --> This change is being made because it was suggested by other GitLabbers as an improvement to the existing program materials.

How will this merge request impact page speed?

no

Does this MR meet the acceptance criteria?

Assign to DRI

• Did you assign this change to the correct DRI of the page or information you are changing?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what