gcve: shellcheck fixes

Author: chrischdi

infra/gcp/terraform/k8s-infra-gcp-gcve/vsphere/scripts/boskos-userdata.sh

@@ -17,16 +17,16 @@
 function printProjectUserData() {
   NR="${1}"
 
-  S2="$(($(($(($NR-1))*16))))"
-  E2="$(($(($NR*16))-1))"
+  S2="$(($(($((NR-1))*16))))"
+  E2="$(($((NR*16))-1))"
 
-  S1="$((${S2}/256))"
-  E1="$((${E2}/256))"
-  S2="$((${S2}%256))"
-  E2="$((${E2}%256))"
+  S1="$((S2/256))"
+  E1="$((E2/256))"
+  S2="$((S2%256))"
+  E2="$((E2%256))"
 
-  START="192.168.$((33+$S1)).${S2}"
-  END="192.168.$((33+$E1)).${E2}"
+  START="192.168.$((33+S1)).${S2}"
+  END="192.168.$((33+E1)).${E2}"
 
   printf "k8s-infra-e2e-gcp-gcve-project-%03d:\n" "${NR}"
   printf "  folder: /Datacenter/vm/prow/k8s-infra-e2e-gcp-gcve-project-%03d\n" "${NR}"