Remove sr.ht build

Love sr.ht, but Github actions have multiple python versions.

.build.yml

@@ -1,18 +0,0 @@
-image: debian/bookworm
-packages:
-  - python3-venv
-sources:
-  - https://github.com/ihabunek/toot
-tasks:
-  - test: |
-      cd toot
-      python3 -m venv venv
-      . ./venv/bin/activate
-      pip install -e .
-      pip install pytest
-      pip install psycopg2-binary
-      pytest
-triggers:
-  - action: email
-    condition: failure
-    to: ivan@habunek.com