Allow skeleton requests to more peers (#4290)

Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>

cmd/sentry/sentry/sentry_api.go

@@ -105,9 +105,6 @@ func (cs *MultiClient) SendHeaderRequest(ctx context.Context, req *headerdownloa
 				return [64]byte{}, false
 			}
 			minBlock := req.Number
-			if !req.Reverse {
-				minBlock = req.Number + (req.Length-1)*(req.Skip+1)
-			}
 
 			outreq := proto_sentry.SendMessageByMinBlockRequest{
 				MinBlock: minBlock,