Always check signatures on profile events

These contain sensitive data (lightning addresses) and it would be
really bad if these were forged.

Changelog-Changed: Always check signatures of profile events

damus/Views/Events/TextEvent.swift

@@ -37,7 +37,6 @@ struct TextEvent: View {
             }
         }
         .contentShape(Rectangle())
-        .background(event_validity_color(event.validity))
         .id(event.id)
         .frame(maxWidth: .infinity, minHeight: PFP_SIZE)
         .padding([.bottom], 2)