Remove references to cross_project_pipeline source

app/models/concerns/enums/ci/pipeline.rb

@@ -25,8 +25,6 @@ module Enums
           schedule: 4,
           api: 5,
           external: 6,
-          # TODO: Rename `pipeline` to `cross_project_pipeline` in 13.0
-          # https://gitlab.com/gitlab-org/gitlab/issues/195991
           pipeline: 7,
           chat: 8,
           webide: 9,

changelogs/unreleased/docs-remove-references-to-cross-project-pipeline-source.yml

+---
+title: Remove references to cross_project_pipeline source in documentation
+merge_request: 49579
+author:
+type: other

doc/ci/variables/predefined_variables.md

@@ -104,7 +104,7 @@ Kubernetes-specific environment variables are detailed in the
 | `CI_PAGES_URL`                                | 11.8   | all    | URL to GitLab Pages-built pages. Always belongs to a subdomain of `CI_PAGES_DOMAIN`.                                                                                                                                                                                                                                                                       |
 | `CI_PIPELINE_ID`                              | 8.10   | all    | The instance-level ID of the current pipeline. This is a unique ID across all projects on GitLab.                                                                                                                                                                                                                                                                                                            |
 | `CI_PIPELINE_IID`                             | 11.0   | all    | The project-level IID (internal ID) of the current pipeline. This ID is unique for the current project.                                                                                                                                                                                                                                                                                              |
-| `CI_PIPELINE_SOURCE`                          | 10.0   | all    | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `schedule`, `api`, `external`, `chat`, `webide`, `merge_request_event`, `external_pull_request_event`, `parent_pipeline`, [`trigger`, or `pipeline`](../triggers/README.md#authentication-tokens) (renamed to `cross_project_pipeline` since 13.0). For pipelines created before GitLab 9.5, this is displayed as `unknown`. |
+| `CI_PIPELINE_SOURCE`                          | 10.0   | all    | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `schedule`, `api`, `external`, `chat`, `webide`, `merge_request_event`, `external_pull_request_event`, `parent_pipeline`, [`trigger`, or `pipeline`](../triggers/README.md#authentication-tokens). For pipelines created before GitLab 9.5, this is displayed as `unknown`. |
 | `CI_PIPELINE_TRIGGERED`                       | all    | all    | The flag to indicate that job was [triggered](../triggers/README.md)                                                                                                                                                                                                                                                                                       |
 | `CI_PIPELINE_URL`                             | 11.1   | 0.5    | Pipeline details URL                                                                                                                                                                                                                                                                                                                                       |
 | `CI_PROJECT_DIR`                              | all    | all    | The full path where the repository is cloned and where the job is run. If the GitLab Runner `builds_dir` parameter is set, this variable is set relative to the value of `builds_dir`. For more information, see [Advanced configuration](https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runners-section) for GitLab Runner. |