chore: use auto-generated CFN docs from CDK

Makefile

@@ -68,15 +68,14 @@ fetch-schema-data:
 	rm -rf .tmp/aws-sam-developer-guide
 	git clone --branch main --depth 1 https://github.com/awsdocs/aws-sam-developer-guide.git .tmp/aws-sam-developer-guide
 
-	rm -rf .tmp/aws-cloudformation-user-guide
-	git clone --depth 1 https://github.com/awsdocs/aws-cloudformation-user-guide.git .tmp/aws-cloudformation-user-guide
+	curl -o .tmp/cfn-docs.json https://raw.githubusercontent.com/aws/aws-cdk/main/packages/%40aws-cdk/cfnspec/spec-source/cfn-docs/cfn-docs.json
 
 	curl -o .tmp/cloudformation.schema.json https://raw.githubusercontent.com/awslabs/goformation/master/schema/cloudformation.schema.json
 
 update-schema-data:
 	# Parse docs
 	bin/parse_docs.py .tmp/aws-sam-developer-guide/doc_source > samtranslator/internal/schema_source/sam-docs.json
-	bin/parse_docs.py --cfn .tmp/aws-cloudformation-user-guide/doc_source > schema_source/cloudformation-docs.json
+	bin/parse_cdk_cfn_docs.py < .tmp/cfn-docs.json > schema_source/cloudformation-docs.json
 
 	# Add CloudFormation docs to CloudFormation schema
 	python bin/add_docs_cfn_schema.py --schema .tmp/cloudformation.schema.json --docs schema_source/cloudformation-docs.json > schema_source/cloudformation.schema.json

bin/parse_cdk_cfn_docs.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+"""
+Converts docs JSON from this format:
+  https://github.com/aws/aws-cdk/blob/ad89f0182e218eee01b0aef84b055a96556dda59/packages/%40aws-cdk/cfnspec/spec-source/cfn-docs/cfn-docs.json
+To this format:
+  https://github.com/aws/serverless-application-model/blob/237c7394c6e7ab61c1fad27f439a7b52bcd1b5af/schema_source/cloudformation-docs.json
+Originally used https://github.com/awsdocs/aws-cloudformation-user-guide, but switched since retired.
+See https://aws.amazon.com/blogs/aws/retiring-the-aws-documentation-on-github/
+Expects input from stdin; outputs to stdout.
+"""
+
+import json
+import sys
+from typing import Any, Dict
+
+
+def main() -> None:
+    obj = json.load(sys.stdin)
+
+    out: Dict[str, Any] = {"properties": {}}
+    for k, v in obj["Types"].items():
+        kk = k.replace(".", " ")
+        vv = v["properties"]
+        out["properties"][kk] = vv
+
+    print(json.dumps(out, indent=2, sort_keys=True))
+
+
+if __name__ == "__main__":
+    main()