Docs: drop deprecated project

Author: Borda

docs/source-pytorch/community/ecosystem-ci.rst

@@ -7,7 +7,6 @@
    ../generated/CONTRIBUTING.md
    ../generated/BECOMING_A_CORE_CONTRIBUTOR.md
    governance
-   ecosystem-ci
    ../versioning
    ../past_versions
    ../generated/CHANGELOG.md
@@ -70,13 +69,6 @@ Community
    :button_link: ../generated/CHANGELOG.html
    :height: 100
 
-.. displayitem::
-   :header: Ecosystem CI
-   :description: Automate issue discovery for your projects against Lightning nightly and releases
-   :col_css: col-md-12
-   :button_link: ecosystem-ci.html
-   :height: 100
-
 .. raw:: html
 
         </div>