pyln-testing: Removing the lightning- prefix check for schema files

Currently, pyln tests fail if the `lightning-` prefix is removed from schema/*.json files. In this release, we will update pyln to remove its reliance on this prefix, and in the next release, we will remove the prefixes from the files as well.

Changelog-None.

contrib/pyln-testing/pyln/testing/fixtures.py

@@ -458,8 +458,8 @@ def jsonschemas():
 
     schemas = {}
     for fname in schemafiles:
-        if fname.startswith('lightning-') and fname.endswith('.json'):
-            base = fname.replace('lightning-', '').replace('.json', '')
+        if fname.endswith('.json'):
+            base = fname.replace('.json', '')
             # Request is 0 and Response is 1
             schemas[base] = _load_schema(os.path.join('doc/schemas', fname))
     return schemas