v5: drop PyPI and RubyGems distributions

.github/workflows/ci.yml

@@ -96,9 +96,8 @@ jobs:
       - name: Smoke-test addon
         run: node --test crates/socket-patch-node/npm/test/smoke.mjs
 
-  # Lint the out-of-workspace packaging artifacts: the RubyGems CLI launcher
-  # gem (Ruby), and the curl|sh installer. Ruby is
-  # pre-installed on the ubuntu-latest runner.
+  # Check the standalone installer, release scripts, and native installer
+  # test harnesses.
   lint-ecosystems:
     runs-on: ubuntu-latest
     timeout-minutes: 10
@@ -108,17 +107,11 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Ruby — syntax-check + build the launcher gem
-        run: |
-          ( cd gem/socket-patch && ruby -c lib/socket_patch/launcher.rb && ruby -c exe/socket-patch && gem build socket-patch.gemspec )
-
       - name: Python — test native installer harnesses
         run: python3 -B -m unittest discover -s scripts/tests -v
 
       - name: Shell — shellcheck the curl|sh installer
-        # install.sh is the other distribution artifact this job lints; it
-        # had no coverage anywhere before the self-update work touched the
-        # same surface. shellcheck is pre-installed on ubuntu-latest.
+        # shellcheck is pre-installed on ubuntu-latest.
         run: shellcheck --shell=sh scripts/install.sh
 
       - name: Shell — run the installer end to end
@@ -685,14 +678,6 @@ jobs:
       - name: Run npm dispatch tests
         run: node --test npm/socket-patch/bin/socket-patch.test.mjs
 
-      - name: Setup Python
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
-        with:
-          python-version: '3.12.x'
-
-      - name: Run pypi dispatch tests
-        run: python pypi/socket-patch/test_dispatch.py
-
   # Compiles the CLI and every CLI test target once per OS (--all-features,
   # so this is also the feature-gated suites' compile-rot check) and uploads
   # the binaries the e2e, e2e-full and cargo-vex legs run. The legs run the