SNOW-191538 remove copyright headers (#2238)

(cherry picked from commit 813bbd8)

Author: sfc-gh-mkubik

benchmark/benchmark_unit_converter.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python
-#
-# Copyright (c) 2012-2019 Snowflake Computing Inc. All rights reserved.
-#
+
 from __future__ import annotations
 
 from logging import getLogger

samples/auth_by_key_pair_from_file.py

@@ -1,7 +1,4 @@
 #!/usr/bin/env python
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
 """
 This sample shows how to implement a key pair authentication plugin
 which reads private key from a file

setup.py

@@ -1,7 +1,4 @@
 #!/usr/bin/env python
-#
-# Copyright (c) 2012-2019 Snowflake Computing Inc. All rights reserved.
-#
 
 import os
 import sys

src/snowflake/connector/__init__.py

@@ -1,8 +1,4 @@
 #!/usr/bin/env python
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 # Python Db API v2
 #
 from __future__ import annotations

src/snowflake/connector/_query_context_cache.py

@@ -1,6 +1,3 @@
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
 from __future__ import annotations
 
 from functools import total_ordering

src/snowflake/connector/_sql_util.py

@@ -1,7 +1,3 @@
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 from __future__ import annotations
 
 import re

src/snowflake/connector/_utils.py

@@ -1,7 +1,3 @@
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 from __future__ import annotations
 
 import string

src/snowflake/connector/arrow_context.py

@@ -1,8 +1,4 @@
 #!/usr/bin/env python
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 from __future__ import annotations
 
 import decimal

src/snowflake/connector/auth/__init__.py

@@ -1,7 +1,3 @@
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 from __future__ import annotations
 
 from ._auth import Auth, get_public_key_fingerprint, get_token_from_private_key

src/snowflake/connector/auth/_auth.py

@@ -1,7 +1,3 @@
-#
-# Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.
-#
-
 from __future__ import annotations
 
 import copy