net: init-metrics.sh no longer supports -c flag (#5588)

automerge

net/README.md

@@ -32,7 +32,7 @@ NOTE: This example uses GCE.  If you are using AWS EC2, replace `./gce.sh` with
 ```bash
 $ cd net/
 $ ./gce.sh create -n 5 -c 1     #<-- Create a GCE testnet with 5 additional nodes (beyond the bootstrap node) and 1 client (billing starts here)
-$ ./init-metrics.sh -c $(whoami)   #<-- Configure a metrics database for the testnet
+$ ./init-metrics.sh $(whoami)   #<-- Configure a metrics database for the testnet
 $ ./net.sh start                #<-- Deploy the network from the local workspace and start all clients with bench-tps
 $ ./ssh.sh                      #<-- Details on how to ssh into any testnet node to access logs/etc
 $ ./gce.sh delete               #<-- Dispose of the network (billing stops here)

net/init-metrics.sh

@@ -12,7 +12,7 @@ usage() {
     echo "Error: $*"
   fi
   cat <<EOF
-usage: $0 [-e] [-d] [-c] [username]
+usage: $0 [-e] [-d] [username]
 
 Creates a testnet dev metrics database