Implementation of the delegation part of HP management

Requires: !312 (merged)

clive/__private/ui/operations/hive_power_management/delegate_hive_power/delegate_hive_power.scss

@@ -38,11 +38,6 @@ DelegationsTable Static {
   height: 1;
 }
 
-#delegations-table-title {
-  background: $primary;
-  width: 1fr;
-}
-
 Delegation {
   width: 1fr;
   height: auto;