remove $ from apt command

Author: micheleRP

modules/deploy/pages/deployment-option/self-hosted/manual/sizing.adoc

@@ -43,13 +43,13 @@ The following example uses https://iperf.fr/[iPerf3^] to test the network bandwi
 
 [,bash]
 ----
-redpanda1:~$ sudo apt -y update; sudo apt -y install iperf3
-redpanda1:~$ iperf3 -s
+redpanda1:~ sudo apt -y update; sudo apt -y install iperf3
+redpanda1:~ iperf3 -s
 -----------------------------------------------------------
 Server listening on 5201
 -----------------------------------------------------------
-redpanda2:~$ sudo apt update; sudo apt install iperf3
-redpanda2:~$ iperf3 -c redpanda1 -p 5201 -t 300
+redpanda2:~ sudo apt update; sudo apt install iperf3
+redpanda2:~ iperf3 -c redpanda1 -p 5201 -t 300
 Connecting to host redpanda1, port 5201
 [ ID] Interval Transfer Bitrate Retr Cwnd
 [ 5] 0.00-1.00 sec 1.11 GBytes 9.57 Gbits/sec 0 1.64