Remove health status related code from epics

For epics we only want counts of issues statuses

doc/api/graphql/reference/gitlab_schema.graphql

@@ -1938,11 +1938,6 @@ type Epic implements Noteable {
   """
   hasIssues: Boolean!
 
-  """
-  Current health status. Available only when feature flag save_issuable_health_status is enabled.
-  """
-  healthStatus: HealthStatus
-
   """
   ID of the epic
   """
@@ -7812,11 +7807,6 @@ input UpdateEpicInput {
   """
   groupPath: ID!
 
-  """
-  The desired health status
-  """
-  healthStatus: HealthStatus
-
   """
   The iid of the epic to mutate
   """

doc/api/graphql/reference/gitlab_schema.json

@@ -24543,16 +24543,6 @@
               },
               "defaultValue": null
             },
-            {
-              "name": "healthStatus",
-              "description": "The desired health status",
-              "type": {
-                "kind": "ENUM",
-                "name": "HealthStatus",
-                "ofType": null
-              },
-              "defaultValue": null
-            },
             {
               "name": "clientMutationId",
               "description": "A unique identifier for the client performing the mutation.",

doc/api/graphql/reference/index.md

@@ -307,7 +307,6 @@ Represents an epic.
 | `group` | Group! | Group to which the epic belongs |
 | `hasChildren` | Boolean! | Indicates if the epic has children |
 | `hasIssues` | Boolean! | Indicates if the epic has direct issues |
-| `healthStatus` | HealthStatus | Current health status. Available only when feature flag save_issuable_health_status is enabled. |
 | `id` | ID! | ID of the epic |
 | `iid` | ID! | Internal ID of the epic |
 | `parent` | Epic | Parent epic of the epic |

ee/app/graphql/mutations/epics/update.rb

@@ -12,11 +12,6 @@ module Mutations
                 required: false,
                 description: 'State event for the epic'
 
-      argument :health_status,
-               ::Types::HealthStatusEnum,
-               required: false,
-               description: 'The desired health status'
-
       authorize :admin_epic
 
       def resolve(args)

ee/app/graphql/types/epic_type.rb

@@ -137,11 +137,5 @@ module Types
         closed_issues: -1
       )
     end
-
-    field :health_status,
-      ::Types::HealthStatusEnum,
-      null: true,
-      description: 'Current health status',
-      feature_flag: :save_issuable_health_status
   end
 end

ee/app/models/ee/epic.rb

@@ -15,7 +15,6 @@ module EE
       include UsageStatistics
       include FromUnion
       include EpicTreeSorting
-      include HealthStatus
 
       enum state_id: {
         opened: ::Epic.available_states[:opened],

ee/spec/graphql/types/epic_type_spec.rb

@@ -11,7 +11,7 @@ describe GitlabSchema.types['Epic'] do
       closed_at created_at updated_at children has_children has_issues
       web_path web_url relation_path reference issues user_permissions
       notes discussions relative_position subscribed participants
-      descendant_counts descendant_weight_sum upvotes downvotes health_status
+      descendant_counts descendant_weight_sum upvotes downvotes
     ]
   end
 

ee/spec/models/epic_spec.rb

@@ -565,6 +565,4 @@ describe Epic do
   end
 
   it_behaves_like 'versioned description'
-
-  it_behaves_like 'having health status'
 end

ee/spec/requests/api/graphql/mutations/epics/update_spec.rb

@@ -134,9 +134,4 @@ describe Mutations::Epics::Update do
       end
     end
   end
-
-  it_behaves_like 'updating health status' do
-    let(:resource) { epic }
-    let(:user) { current_user }
-  end
 end

ee/spec/services/epics/update_service_spec.rb

@@ -297,10 +297,5 @@ describe Epics::UpdateService do
       let(:issuable) { epic }
       let(:parent) { group }
     end
-
-    it_behaves_like 'updating issuable health status' do
-      let(:issuable) { epic }
-      let(:parent) { group }
-    end
   end
 end