Remove un-used build-repos step

.github/workflows/templates/build-repos.yml.jinja

@@ -1,33 +0,0 @@
-<%- for type, display_name in (
-                                ("src", "Source"),
-                                ("deb", "DEB"),
-                                ("rpm", "RPM"),
-                                ("windows", "Windows"),
-                                ("macos", "macOS"),
-                                ("onedir", "Onedir"),
-                              ) %>
-
-  <%- set job_name = "build-{}-repo".format(type) %>
-    <%- do build_repo_needs.append(job_name) %>
-
-  <{ job_name }>:
-    name: Build Repository
-    environment: <{ gh_environment }>
-    runs-on:
-      - ubuntu-latest
-    env:
-      USE_S3_CACHE: 'false'
-    needs:
-      - prepare-workflow
-      <%- if type not in ("src", "onedir") %>
-      - build-pkgs-onedir
-      <%- elif type == 'onedir' %>
-      - build-salt-onedir
-      <%- elif type == 'src' %>
-      - build-source-tarball
-      - build-pkgs-src
-      <%- endif %>
-
-    <%- include "build-{}-repo.yml.jinja".format(type) %>
-
-<%- endfor %>