Remove remaining Settings and Assignments links

Fix stale links to deleted pages:
- Remove Settings link from programs list dropdown
- Remove Manage Assignments link from projects list dropdown

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app/(admin)/admin/programs/page.tsx

@@ -31,7 +31,6 @@ import {
   Plus,
   MoreHorizontal,
   FolderKanban,
-  Settings,
   Eye,
   Pencil,
 } from 'lucide-react'
@@ -147,12 +146,6 @@ async function ProgramsContent() {
                           Edit
                         </Link>
                       </DropdownMenuItem>
-                      <DropdownMenuItem asChild>
-                        <Link href={`/admin/programs/${program.id}/settings`}>
-                          <Settings className="mr-2 h-4 w-4" />
-                          Settings
-                        </Link>
-                      </DropdownMenuItem>
                     </DropdownMenuContent>
                   </DropdownMenu>
                 </TableCell>

src/app/(admin)/admin/projects/page.tsx

@@ -391,14 +391,6 @@ export default function ProjectsPage() {
                               Edit
                             </Link>
                           </DropdownMenuItem>
-                          <DropdownMenuItem asChild>
-                            <Link
-                              href={`/admin/projects/${project.id}/assignments`}
-                            >
-                              <Users className="mr-2 h-4 w-4" />
-                              Manage Assignments
-                            </Link>
-                          </DropdownMenuItem>
                         </DropdownMenuContent>
                       </DropdownMenu>
                     </TableCell>