Remove references to CoreDNS from Squid module

modules/cloud-config-container/squid/cloud-config.yaml

@@ -64,7 +64,7 @@ write_files:
       [Service]
       Environment="HOME=/home/squid"
       ExecStartPre=/usr/bin/docker-credential-gcr configure-docker
-      ExecStart=/usr/bin/docker run --rm --name=coredns  \
+      ExecStart=/usr/bin/docker run --rm --name=squid  \
         --log-driver=gcplogs --network host \
         -v /etc/squid:/etc/squid \
         gcr.io/pso-cft-fabric/squid:0.10

modules/cloud-config-container/squid/variables.tf

@@ -21,13 +21,13 @@ variable "cloud_config" {
 }
 
 variable "config_variables" {
-  description = "Additional variables used to render the cloud-config and CoreDNS templates."
+  description = "Additional variables used to render the cloud-config and Squid templates."
   # type        = map(any)
   default = {}
 }
 
 variable "squid_config" {
-  description = "CoreDNS configuration path, if null default will be used."
+  description = "Squid configuration path, if null default will be used."
   type        = string
   default     = null
 }