docs: cut 6.1.0 versions for docs, admin_docs, developer_docs, components

- Snapshot all four versioned docs sections at v6.1.0; master continues to
  serve as "Next" (lastVersion: current, banner: unreleased) so editing
  master keeps updating the canonical URLs
- Enable the previously-disabled components plugin and version it
- Rename stale "developer_portal" references to "developer_docs" across
  package.json scripts, manage-versions.mjs, theme files (DocVersionBadge,
  DocVersionBanner), DOCS_CLAUDE.md, and README.md (URL backward-compat
  redirect /developer_portal/* preserved)
- Add admin_docs version scripts; drop dead "tutorials" plugin id from
  the version badge
- Generalize fixVersionedImports in manage-versions.mjs to walk every
  section's snapshot and rewrite ../../src/ and ../../data/ imports,
  catching admin_docs and components files that previous version cuts
  would have broken
- Remove orphan files: developer_portal_versions.json,
  tutorials_versions.json, and stray empty versions.json files inside
  components/ and developer_docs/ content directories

docs/developer_docs_versioned_docs/version-6.1.0/api/delete-a-report-schedule.api.mdx

@@ -0,0 +1,68 @@
+---
+id: delete-a-report-schedule
+title: "Delete a report schedule"
+description: "Delete a report schedule"
+sidebar_label: "Delete a report schedule"
+hide_title: true
+hide_table_of_contents: true
+api: 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
+sidebar_class_name: "delete api-method"
+info_path: developer-docs/api/superset
+custom_edit_url: null
+hide_send_button: true
+show_extensions: true
+---
+
+import MethodEndpoint from "@theme/ApiExplorer/MethodEndpoint";
+import ParamsDetails from "@theme/ParamsDetails";
+import RequestSchema from "@theme/RequestSchema";
+import StatusCodes from "@theme/StatusCodes";
+import OperationTabs from "@theme/OperationTabs";
+import TabItem from "@theme/TabItem";
+import Heading from "@theme/Heading";
+import Translate from "@docusaurus/Translate";
+
+<Heading
+  as={"h1"}
+  className={"openapi__heading"}
+  children={"Delete a report schedule"}
+>
+</Heading>
+
+<MethodEndpoint
+  method={"delete"}
+  path={"/api/v1/report/{pk}"}
+  context={"endpoint"}
+>
+
+</MethodEndpoint>
+
+
+
+Delete a report schedule
+
+<Heading
+  id={"request"}
+  as={"h2"}
+  className={"openapi-tabs__heading"}
+>
+  <Translate id="theme.openapi.request.title">Request</Translate>
+</Heading>
+
+<ParamsDetails
+  {...require("./delete-a-report-schedule.ParamsDetails.json")}
+>
+
+</ParamsDetails>
+
+<RequestSchema
+  {...require("./delete-a-report-schedule.RequestSchema.json")}
+>
+
+</RequestSchema>
+
+<StatusCodes
+  {...require("./delete-a-report-schedule.StatusCodes.json")}
+>
+
+</StatusCodes>