Make Reporter class hold all results, move line/col into results, and out of message (#24127)

* Make Reporter class hold all results, move line/col into results, and out of message

* Move line/col out of message for YAML parser errors

* We have lineno for the DOC var, use it for YAML parser errors

* Remove valdiate-modules files from legacy-files

* pep8 indentation fixes

* Add todo for line/col in _validate_docs_schema

test/sanity/validate-modules/schema.py

@@ -81,6 +81,7 @@ def return_schema(data):
         extra=PREVENT_EXTRA
     )
 
+
 def doc_schema(module_name):
     if module_name.startswith('_'):
         module_name = module_name[1:]
@@ -116,7 +117,6 @@ def metadata_schema(deprecated):
     )
 
 
-
 # Things to add soon
 ####################
 # 1) Recursively validate `type: complex` fields