doc-1876: updated terraform.tfvars file

Author: Linus-SpectroCloud

terraform/getting-started-deployment-tf/terraform.tfvars

@@ -87,15 +87,15 @@ gcp_control_plane_nodes = {
   control_plane      = true
   instance_type      = "n2-standard-4"
   disk_size_gb       = "60"
-  availability_zones = ["us-east1-b"] # If you want to deploy to multiple AZs, add them here. Example: ["us-central1-a", "us-central1-b"].
+  availability_zones = ["REPLACE ME"] # If you want to deploy to multiple AZs, add them here. Example: ["us-central1-a", "us-central1-b"].
 }
 
 gcp_worker_nodes = {
   count              = "1"
   control_plane      = false
   instance_type      = "n2-standard-4"
   disk_size_gb       = "60"
-  availability_zones = ["us-east1-b"] # If you want to deploy to multiple AZs, add them here. Example: ["us-central1-a", "us-central1-b"].
+  availability_zones = ["REPLACE ME"] # If you want to deploy to multiple AZs, add them here. Example: ["us-central1-a", "us-central1-b"].
 }
 
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