Mostly remove internal_route_vip_range

- cf-networking-release expects a bosh link to consume for us, so we can
  actually remove the property til they stop wanting it
- https://github.com/cloudfoundry/cf-networking-release/blob/a0b0fc7de7d3dd8564e3ab1fbb0f5b4f7e29791f/jobs/garden-cni/spec#L11-L13

jobs/cloud_controller_ng/spec

@@ -1229,11 +1229,7 @@ properties:
 
   cc.internal_route_vip_range:
     default: "127.128.0.0/9"
-    description: "The IPv4 CIDR range of virtual IP addresses to be assigned to routes on internal domains.
-                  WARNING: Changing this range is not supported, and has undefined behaviors.
-                  It is recommended to leave this value as the default.
-                  If this range is changed, it is likely the routes on the internal service mesh domain
-                  will need to be recreated."
+    description: "This is only here cause cf networking needs it, we should coordinate a delete with them"
 
   cc.log_audit_events:
     default: true

jobs/cloud_controller_ng/templates/cloud_controller_ng.yml.erb

@@ -531,16 +531,6 @@ perm:
 max_labels_per_resource: <%= p("cc.max_labels_per_resource") %>
 max_annotations_per_resource: <%= p("cc.max_annotations_per_resource") %>
 
-<%
-  internal_vip_range =  p("cc.internal_route_vip_range")
-  raise StandardError.new("invalid cc.internal_route_vip_range: #{internal_vip_range}") unless internal_vip_range =~ /\A (?:\d{1,3}\.){3} \d{1,3} \/ \d{1,3} \z/x
-
-  parts = internal_vip_range.split(/[\.\/]/).map(&:to_i)
-  raise StandardError.new("invalid cc.internal_route_vip_range: #{internal_vip_range}") if parts[0..3].any? {|x| x > 255} || parts[4] > 32
-%>
-
-internal_route_vip_range: <%= internal_vip_range %>
-
 threadpool_size: <%= p("cc.experimental.thin_server.thread_pool_size") %>
 
 default_app_lifecycle: buildpack

jobs/cloud_controller_worker/spec

@@ -538,11 +538,7 @@ properties:
 
   cc.internal_route_vip_range:
     default: "127.128.0.0/9"
-    description: "The IPv4 CIDR range of virtual IP addresses to be assigned to routes on internal domains.
-                  WARNING: Changing this range is not supported, and has undefined behaviors.
-                  It is recommended to leave this value as the default.
-                  If this range is changed, it is likely the routes on the internal service mesh domain
-                  will need to be recreated."
+    description: "This is only here cause cf networking needs it, we should coordinate a delete with them"
 
   cc.loggregator.internal_url:
     description: "Internal URL used to communicate with traffic_controller"

jobs/cloud_controller_worker/templates/cloud_controller_ng.yml.erb

@@ -334,16 +334,6 @@ perform_blob_cleanup: <%= p("cc.perform_blob_cleanup") %>
 system_domain: <%= p("system_domain") %>
 system_hostnames: <%= link("cloud_controller_internal").p("cc.system_hostnames") %>
 
-<%
-  internal_vip_range =  p("cc.internal_route_vip_range")
-  raise StandardError.new("invalid cc.internal_route_vip_range: #{internal_vip_range}") unless internal_vip_range =~ /\A (?:\d{1,3}\.){3} \d{1,3} \/ \d{1,3} \z/x
-
-  parts = internal_vip_range.split(/[\.\/]/).map(&:to_i)
-  raise StandardError.new("invalid cc.internal_route_vip_range: #{internal_vip_range}") if parts[0..3].any? {|x| x > 255} || parts[4] > 32
-%>
-
-internal_route_vip_range: <%= internal_vip_range %>
-
 disable_private_domain_cross_space_context_path_route_sharing: <%= link("cloud_controller_internal").p("cc.disable_private_domain_cross_space_context_path_route_sharing") %>
 
 max_labels_per_resource: <%= link("cloud_controller_internal").p("cc.max_labels_per_resource") %>

spec/cloud_controller_ng/cloud_controller_ng_spec.rb

@@ -193,35 +193,6 @@ module Test
             end
           end
 
-          describe 'internal route vip range' do
-            it 'has a default range' do
-              rendered_hash = YAML.safe_load(template.render(merged_manifest_properties, consumes: links))
-              expect(rendered_hash['internal_route_vip_range']).to eq('127.128.0.0/9')
-            end
-
-            describe 'when a range is specified in manifest properties' do
-              it 'validates they are valid CIDRs' do
-                merged_manifest_properties['cc']['internal_route_vip_range'] = '10.16.255.0/777'
-                expect do
-                  YAML.safe_load(template.render(merged_manifest_properties, consumes: links))
-                end.to raise_error(StandardError, 'invalid cc.internal_route_vip_range: 10.16.255.0/777')
-              end
-
-              it 'does not allow ipv6 addresses' do
-                merged_manifest_properties['cc']['internal_route_vip_range'] = '2001:0db8:85a3:0000:0000:8a2e:0370:7334/21'
-                expect do
-                  YAML.safe_load(template.render(merged_manifest_properties, consumes: links))
-                end.to raise_error(StandardError, 'invalid cc.internal_route_vip_range: 2001:0db8:85a3:0000:0000:8a2e:0370:7334/21')
-              end
-
-              it 'renders valid CIDRs' do
-                merged_manifest_properties['cc']['internal_route_vip_range'] = '10.16.255.0/24'
-                rendered_hash = YAML.safe_load(template.render(merged_manifest_properties, consumes: links))
-                expect(rendered_hash['internal_route_vip_range']).to eq('10.16.255.0/24')
-              end
-            end
-          end
-
           describe 'database_encryption block' do
             context 'when the database_encryption block is not present' do
               before do