Revert "Bot for Changelog (#833)"

This reverts commit 6d0780d.

.github/workflows/changelog.yml

@@ -8,7 +8,6 @@ env:
   GITHUB_TOKEN: ${{ secrets.BOT_TOKEN }}
   CHANGELOG_DIR: ${{ vars.CHANGELOG_DIR }}
   PR_NUMBER: ${{ github.event.number }}
-  CHANGELOG_WEBHOOK: ${{ secrets.CHANGELOG_WEBHOOK }}
 
 jobs:
   changelog:
@@ -55,7 +54,3 @@ jobs:
           git push
         shell: bash
         continue-on-error: true
-
-      - name: Publish changelog
-        run: Tools/actions_changelogs_since_last_run.py
-        continue-on-error: true

Tools/actions_changelogs_since_last_run.py

@@ -16,12 +16,10 @@
 GITHUB_REPOSITORY = os.environ["GITHUB_REPOSITORY"]
 GITHUB_RUN        = os.environ["GITHUB_RUN_ID"]
 GITHUB_TOKEN      = os.environ["GITHUB_TOKEN"]
-CHANGELOG_DIR     = os.environ["CHANGELOG_DIR"]
-CHANGELOG_WEBHOOK = os.environ["CHANGELOG_WEBHOOK"]
-PR_NUMBER         = os.environ["PR_NUMBER"]
 
 # https://discord.com/developers/docs/resources/webhook
 DISCORD_SPLIT_LIMIT = 2000
+DISCORD_WEBHOOK_URL = os.environ.get("DISCORD_WEBHOOK_URL")
 
 TYPES_TO_EMOJI = {
     "Fix":    "🐛",
@@ -33,7 +31,7 @@
 ChangelogEntry = dict[str, Any]
 
 def main():
-    if not CHANGELOG_WEBHOOK:
+    if not DISCORD_WEBHOOK_URL:
         return
 
     session = requests.Session()
@@ -134,12 +132,12 @@ def get_discord_body(content: str):
 def send_discord(content: str):
     body = get_discord_body(content)
 
-    response = requests.post(CHANGELOG_WEBHOOK, json=body)
+    response = requests.post(DISCORD_WEBHOOK_URL, json=body)
     response.raise_for_status()
 
 
 def send_to_discord(entries: Iterable[ChangelogEntry]) -> None:
-    if not CHANGELOG_WEBHOOK:
+    if not DISCORD_WEBHOOK_URL:
         print(f"No discord webhook URL found, skipping discord send")
         return