Fellows page updates

[Dahianna]

• [x] Remove https://digitalcorps.gsa.gov/fellows/olivia-haring/ @jaredbain

Update agency:

• [x] Lacy Kelly Ramos: remove agency @Dahianna

• [x] Selyne: Update to GSA @Dahianna

• [x] Joe L: Remove agency @Dahianna

• [x] Rasheem: Add ACF @Dahianna

[Dahianna]

@jaredbain I made all my updates on this branch https://github.com/GSA/digitalcorps.gsa.gov/tree/Fellows-page-updates

[Dahianna]

@jaredbain I reopened because we still need to remove Olivia, unless you did that already

[jaredbain]

@Dahianna I created a pull request to remove her from the site. Its ready for review and approval.