Cleanup various left-behind template artifacts

Summary:
- Remove duplicate `{{common/auto_generated_py}}`
- Remove an outdated `DO_BEFORE`
- Delete an empty line.

Reviewed By: yoney

Differential Revision: D68004350

fbshipit-source-id: bdbdb482496215ad3ad9e90c901ee674b6cc0135

Author: Satish Kumar

third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_mutable_types.py.mustache

@@ -17,5 +17,4 @@
 }}{{!
 Generated Python classes for mutable thrift-python types.
 }}
-
 {{> types/types }}

third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_mutable_types.pyi.mustache

@@ -17,6 +17,5 @@
 }}{{!
 Generated Python typestubs for mutable thrift-python types
 
-}}{{> common/auto_generated_py}}
-
+}}
 {{> types/types_pyi }}

third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_types.pyi.mustache

@@ -16,7 +16,5 @@
 
 }}{{!
 Generated Python typestubs for Thrift types
-
-DO_BEFORE(aristidis,20240820): Add _to_mutable_python() interface.
 }}
 {{> types/types_pyi }}

third-party/thrift/src/thrift/compiler/test/fixtures/adapter/out/python_a/gen-python/a/thrift_mutable_types.py

@@ -1,4 +1,3 @@
-
 #
 # Autogenerated by Thrift
 #

third-party/thrift/src/thrift/compiler/test/fixtures/adapter/out/python_a/gen-python/a/thrift_mutable_types.pyi

@@ -7,16 +7,6 @@
 
 from __future__ import annotations
 
-
-#
-# Autogenerated by Thrift
-#
-# DO NOT EDIT
-#  @generated
-#
-
-from __future__ import annotations
-
 import typing as _typing
 
 import folly.iobuf as _fbthrift_iobuf

third-party/thrift/src/thrift/compiler/test/fixtures/adapter/out/python_with_containers/gen-python/with_containers/thrift_mutable_types.py

@@ -1,4 +1,3 @@
-
 #
 # Autogenerated by Thrift
 #

third-party/thrift/src/thrift/compiler/test/fixtures/adapter/out/python_with_containers/gen-python/with_containers/thrift_mutable_types.pyi

@@ -7,16 +7,6 @@
 
 from __future__ import annotations
 
-
-#
-# Autogenerated by Thrift
-#
-# DO NOT EDIT
-#  @generated
-#
-
-from __future__ import annotations
-
 import typing as _typing
 
 import folly.iobuf as _fbthrift_iobuf

third-party/thrift/src/thrift/compiler/test/fixtures/basic/out/python/gen-python/test/fixtures/basic/module/thrift_mutable_types.py

@@ -1,4 +1,3 @@
-
 #
 # Autogenerated by Thrift
 #

third-party/thrift/src/thrift/compiler/test/fixtures/basic/out/python/gen-python/test/fixtures/basic/module/thrift_mutable_types.pyi

@@ -7,16 +7,6 @@
 
 from __future__ import annotations
 
-
-#
-# Autogenerated by Thrift
-#
-# DO NOT EDIT
-#  @generated
-#
-
-from __future__ import annotations
-
 import typing as _typing
 
 import enum

third-party/thrift/src/thrift/compiler/test/fixtures/basic/out/python_service/gen-python/meta/example/thrift/service/thrift_mutable_types.py

@@ -1,4 +1,3 @@
-
 #
 # Autogenerated by Thrift
 #