refactor code and improve daily cache handling of deleted VMs

internal/tasks/dailyAggregate.go

@@ -307,40 +307,6 @@ func (c *CronTask) aggregateDailySummaryGo(ctx context.Context, dayStart, dayEnd
 	return nil
 }
 
-type dailyAggKey struct {
-	Vcenter string
-	VmId    string
-	VmUuid  string
-	Name    string
-}
-
-type dailyAggVal struct {
-	key            dailyAggKey
-	resourcePool   string
-	datacenter     string
-	cluster        string
-	folder         string
-	isTemplate     string
-	poweredOn      string
-	srmPlaceholder string
-	creation       int64
-	firstSeen      int64
-	lastSeen       int64
-	lastDisk       float64
-	lastVcpu       int64
-	lastRam        int64
-	sumVcpu        int64
-	sumRam         int64
-	sumDisk        float64
-	samples        int64
-	tinHits        int64
-	bronzeHits     int64
-	silverHits     int64
-	goldHits       int64
-	seen           map[int64]struct{}
-	deletion       int64
-}
-
 func (c *CronTask) scanHourlyTablesParallel(ctx context.Context, snapshots []report.SnapshotRecord) (map[dailyAggKey]*dailyAggVal, error) {
 	agg := make(map[dailyAggKey]*dailyAggVal, 1024)
 	mu := sync.Mutex{}