Support creating multiple worker auto scaling groups, similar to KOPS

local.tf

@@ -1,66 +1,4 @@
 locals {
-  # Mapping from the node type that we selected and the max number of pods that it can run
-  # Taken from https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-06-05/amazon-eks-nodegroup.yaml
-  max_pod_per_node = {
-    c4.large    = 29
-    c4.xlarge   = 58
-    c4.2xlarge  = 58
-    c4.4xlarge  = 234
-    c4.8xlarge  = 234
-    c5.large    = 29
-    c5.xlarge   = 58
-    c5.2xlarge  = 58
-    c5.4xlarge  = 234
-    c5.9xlarge  = 234
-    c5.18xlarge = 737
-    i3.large    = 29
-    i3.xlarge   = 58
-    i3.2xlarge  = 58
-    i3.4xlarge  = 234
-    i3.8xlarge  = 234
-    i3.16xlarge = 737
-    m3.medium   = 12
-    m3.large    = 29
-    m3.xlarge   = 58
-    m3.2xlarge  = 118
-    m4.large    = 20
-    m4.xlarge   = 58
-    m4.2xlarge  = 58
-    m4.4xlarge  = 234
-    m4.10xlarge = 234
-    m5.large    = 29
-    m5.xlarge   = 58
-    m5.2xlarge  = 58
-    m5.4xlarge  = 234
-    m5.12xlarge = 234
-    m5.24xlarge = 737
-    p2.xlarge   = 58
-    p2.8xlarge  = 234
-    p2.16xlarge = 234
-    p3.2xlarge  = 58
-    p3.8xlarge  = 234
-    p3.16xlarge = 234
-    r3.xlarge   = 58
-    r3.2xlarge  = 58
-    r3.4xlarge  = 234
-    r3.8xlarge  = 234
-    r4.large    = 29
-    r4.xlarge   = 58
-    r4.2xlarge  = 58
-    r4.4xlarge  = 234
-    r4.8xlarge  = 234
-    r4.16xlarge = 737
-    t2.small    = 8
-    t2.medium   = 17
-    t2.large    = 35
-    t2.xlarge   = 44
-    t2.2xlarge  = 44
-    x1.16xlarge = 234
-    x1.32xlarge = 234
-  }
-
-  asg_tags = ["${null_resource.tags_as_list_of_maps.*.triggers}"]
-
   # More information: https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-06-05/amazon-eks-nodegroup.yaml
   config_map_aws_auth = <<CONFIGMAPAWSAUTH
 apiVersion: v1