build: remove obsolete Tidelift release notes support

Tidelift removed their release notes API on 2021-03-09:
https://forum.tidelift.com/t/release-notes-task/467

3 files changed, 0 insertions, 55 deletions

diff --git a/Makefile b/Makefile
index d7bc15b7..350a939c 100644
--- a/Makefile
+++ b/Makefile
@@ -165,8 +165,5 @@ relnotes_json: $(RELNOTES_JSON)		## Convert changelog to JSON for further parsin
 $(RELNOTES_JSON): $(CHANGES_MD)
 	$(DOCBIN)/python ci/parse_relnotes.py tmp/rst_rst/changes.md $(RELNOTES_JSON)
 
-tidelift_relnotes: $(RELNOTES_JSON)	## Upload parsed release notes to Tidelift.
-	$(DOCBIN)/python ci/tidelift_relnotes.py $(RELNOTES_JSON) pypi/coverage
-
 github_releases: $(RELNOTES_JSON)	## Update GitHub releases.
 	$(DOCBIN)/python ci/github_releases.py $(RELNOTES_JSON) nedbat/coveragepy
diff --git a/ci/tidelift_relnotes.py b/ci/tidelift_relnotes.py
deleted file mode 100644
index bc3a37d4..00000000
--- a/ci/tidelift_relnotes.py
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/env python3
-"""
-Upload release notes from a JSON file to Tidelift as Markdown chunks
-
-Put your Tidelift API token in a file called tidelift.token alongside this
-program, for example:
-
-    user/n3IwOpxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxc2ZwE4
-
-Run with two arguments: the JSON file of release notes, and the Tidelift
-package name:
-
-	python tidelift_relnotes.py relnotes.json pypi/coverage
-
-Every section that has something that looks like a version number in it will
-be uploaded as the release notes for that version.
-
-"""
-
-import json
-import os.path
-import sys
-
-import requests
-
-
-def update_release_note(package, version, text):
-    """Update the release notes for one version of a package."""
-    url = f"https://api.tidelift.com/external-api/lifting/{package}/release-notes/{version}"
-    token_file = os.path.join(os.path.dirname(__file__), "tidelift.token")
-    with open(token_file) as ftoken:
-        token = ftoken.read().strip()
-    headers = {
-        "Authorization": f"Bearer: {token}",
-    }
-    req_args = dict(url=url, data=text.encode('utf8'), headers=headers)
-    result = requests.post(**req_args)
-    if result.status_code == 409:
-        result = requests.put(**req_args)
-    print(f"{version}: {result.status_code}")
-
-def upload(json_filename, package):
-    """Main function: parse markdown and upload to Tidelift."""
-    with open(json_filename) as jf:
-        relnotes = json.load(jf)
-    for relnote in relnotes:
-        update_release_note(package, relnote["version"], relnote["text"])
-
-if __name__ == "__main__":
-    upload(*sys.argv[1:])           # pylint: disable=no-value-for-parameter
diff --git a/howto.txt b/howto.txt
index aae6c47d..02b8406c 100644
--- a/howto.txt
+++ b/howto.txt
@@ -65,8 +65,6 @@
     - CHANGES.rst
         - add an "Unreleased" section to the top.
     $ git push
-- Update Tidelift:
-    $ make tidelift_relnotes
 - Update GitHub releases:
     $ make github_releases
 - Update readthedocs