[workspace] Delete unused pypi repository rules (#20578)

These were useful years ago, but today the rules_python wrappers
around pip are vastly superior to this infrastructure.

tools/lint/buildifier-tables.json

@@ -37,12 +37,6 @@
     "git_repository.remote": 300,
     "git_repository.commit": 310,
 
-    "pypi_archive.package":       300,
-    "pypi_archive.version":       310,
-    "pypi_archive.sha256":        340,
-    "pypi_archive.strip_prefix":  350,
-    "pypi_archive.build_file":    360,
-
     "new_local_repository.path":                300,
     "new_local_repository.build_file_content":  360,
 

tools/workspace/README.md

@@ -185,19 +185,6 @@ this will be susceptible to Ubuntu vs macOS differences, so please opt-in to
 the macOS build(s) in Jenkins before merging, using the instructions at
 https://drake.mit.edu/jenkins.html#running-an-on-demand-build.
 
-## Updating pypi_archive software versions
-
-To lock in a new version, change the `version` argument of the `pypi_archive`
-call, comment out the `sha256` argument, and then run `bazel build`.  Bazel's
-fetch step will attempt to download the new version but then complain about a
-checksum mismatch.  Paste the new checksum into the `sha256` argument and
-remove its commenting-out.  Then, `bazel build` should succeed.
-
-Commit and pull-request the changed lines to Drake as usual.  Many changes like
-this will be susceptible to Ubuntu vs macOS differences, so please opt-in to
-the macOS build(s) in Jenkins before merging, using the instructions at
-https://drake.mit.edu/jenkins.html#running-an-on-demand-build.
-
 ## Updating pkg_config_repository software versions
 
 Most `pkg_config_repository` calls refer to libraries provided by the host

tools/workspace/mirrors.bzl

@@ -50,16 +50,6 @@ DEFAULT_MIRRORS = {
         # N.B. ibiblio doesn't offer https.
         "http://maven.ibiblio.org/maven2/{fulljar}",
     ],
-    "pypi": [
-        "https://files.pythonhosted.org/packages/source/{p}/{package}/{package}-{version}.tar.gz",  # noqa
-        "https://drake-mirror.csail.mit.edu/pypi/{package}/{package}-{version}.tar.gz",  # noqa
-        "https://s3.amazonaws.com/drake-mirror/pypi/{package}/{package}-{version}.tar.gz",  # noqa
-    ],
-    "pypi_wheel": [
-        "https://files.pythonhosted.org/packages/{blake2_256_01}/{blake2_256_23}/{blake2_256_4p}/{package}-{version}-{tag}.whl",  # noqa
-        "https://drake-mirror.csail.mit.edu/pypi_wheel/{package}/{package}-{version}-{tag}.tar.gz",  # noqa
-        "https://s3.amazonaws.com/drake-mirror/pypi_wheel/{package}/{package}-{version}-{tag}.tar.gz",  # noqa
-    ],
     # On 2024-01-01 upon completion of @vtk deprecation, remove this stanza.
     "vtk": [
         "https://drake-packages.csail.mit.edu/vtk/{archive}",

tools/workspace/new_release.py

@@ -206,11 +206,6 @@ def _check_for_upgrades(gh, args, metadata):
             # For details, see drake/tools/workspace/crate_universe/README.md.
             print(f"Ignoring {workspace_name} from rules_rust")
             continue
-        elif key in ["pypi", "pypi_wheel"]:
-            # TODO(jwnimmer-tri) Implement for real.
-            print("{} version {} needs manual inspection".format(
-                workspace_name, data["version"]))
-            continue
         elif workspace_name == "buildifier":
             assert key == "manual"
             old_commit, new_commit = _handle_buildifier(gh, data)