Update to Acquisition Process

Better tie the table at top with the text describing the different initial sourcing / screening steps. Remove duplicate language / tasks better covered in another bullet.

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

@markpundsack @eliran.mesika