Remove prepare_changelog.py

.github/workflows/script/prepare_changelog.py

@@ -1,35 +0,0 @@
-#!/usr/bin/env python3
-import os
-import sys
-
-EMPTY_CHANGELOG = 'No changes.\n\n'
-
-# Prepare the changelog for the new release
-# This function will extract the part of the changelog that
-# we want to include in the new release.
-def extract_changelog_snippet(changelog_file):
-  output = ''
-  if (not os.path.exists(changelog_file)):
-    output = EMPTY_CHANGELOG
-
-  else:
-    with open(changelog_file, 'r') as f:
-      lines = f.readlines()
-
-      # Include only the contents of the first section
-      found_first_section = False
-      for line in lines:
-        if line.startswith('## '):
-          if found_first_section:
-            break
-          found_first_section = True
-        elif found_first_section:
-          output += line
-
-  return output.strip()
-
-
-if len(sys.argv) < 2:
-  raise Exception('Expecting argument: changelog_file')
-changelog_file = sys.argv[1]
-print(extract_changelog_snippet(changelog_file))