Remove pipeline_id from package api

doc/api/packages.md

@@ -81,7 +81,6 @@ Example response:
     },
     "created_at": "2019-11-27T03:37:38.711Z",
     "build_info": {
-      "pipeline_id": 123,
       "pipeline": {
         "id": 123,
         "status": "pending",
@@ -104,7 +103,6 @@ Example response:
     },
     "created_at": "2019-11-27T03:37:38.711Z",
     "build_info": {
-      "pipeline_id": 123,
       "pipeline": {
         "id": 123,
         "status": "pending",
@@ -159,7 +157,6 @@ Example response:
   },
   "created_at": "2019-11-27T03:37:38.711Z",
   "build_info": {
-    "pipeline_id": 123,
     "pipeline": {
       "id": 123,
       "status": "pending",

ee/lib/ee/api/entities.rb

@@ -876,7 +876,6 @@ module EE
         extend EntityHelpers
 
         class BuildInfo < Grape::Entity
-          expose :pipeline_id
           expose :pipeline, using: ::API::Entities::PipelineBasic
         end
 

ee/spec/fixtures/api/schemas/public_api/v4/packages/package_with_build.json

@@ -7,9 +7,8 @@
     "package_type": { "type": "string" },
     "build_info": {
       "type": "object",
-      "required": ["pipeline_id", "pipeline"],
+      "required": ["pipeline"],
       "properties": {
-        "pipeline_id": { "type": "integer" },
         "pipeline": { "$ref": "../pipeline.json" }
       }
     }