T6199: remove unused Python imports from migration scripts

(cherry picked from commit 489e6fababa60d9c0fbfdb421305cbe563432499)

# Conflicts:
#	src/migration-scripts/dhcp-server/9-to-10
#	src/migration-scripts/dhcpv6-server/3-to-4

4 files changed, 3 insertions, 11 deletions

diff --git a/src/migration-scripts/ipsec/11-to-12 b/src/migration-scripts/ipsec/11-to-12
index e34882c23..4833d0876 100755
--- a/src/migration-scripts/ipsec/11-to-12
+++ b/src/migration-scripts/ipsec/11-to-12
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2023 VyOS maintainers and contributors
+# Copyright (C) 2023-2024 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -16,8 +16,6 @@
 
 # Remove legacy ipsec.conf and ipsec.secrets - Not supported with swanctl
 
-import re
-
 from sys import argv
 from sys import exit
 
diff --git a/src/migration-scripts/ipsec/12-to-13 b/src/migration-scripts/ipsec/12-to-13
index c11f708bd..d90c70314 100755
--- a/src/migration-scripts/ipsec/12-to-13
+++ b/src/migration-scripts/ipsec/12-to-13
@@ -17,8 +17,6 @@
 # Changed value of dead-peer-detection.action from hold to trap
 # Changed value of close-action from hold to trap and from restart to start
 
-import re
-
 from sys import argv
 from sys import exit
 
diff --git a/src/migration-scripts/ipsec/7-to-8 b/src/migration-scripts/ipsec/7-to-8
index e002db0b1..9acc737d5 100755
--- a/src/migration-scripts/ipsec/7-to-8
+++ b/src/migration-scripts/ipsec/7-to-8
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2021 VyOS maintainers and contributors
+# Copyright (C) 2021-2024 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -26,7 +26,6 @@ from sys import argv
 from sys import exit
 
 from vyos.configtree import ConfigTree
-from vyos.pki import load_public_key
 from vyos.pki import load_private_key
 from vyos.pki import encode_public_key
 from vyos.pki import encode_private_key
diff --git a/src/migration-scripts/ipsec/9-to-10 b/src/migration-scripts/ipsec/9-to-10
index a4a71d38e..bc10e1997 100755
--- a/src/migration-scripts/ipsec/9-to-10
+++ b/src/migration-scripts/ipsec/9-to-10
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2022 VyOS maintainers and contributors
+# Copyright (C) 2022-2024 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -20,9 +20,6 @@ from sys import argv
 from sys import exit
 
 from vyos.configtree import ConfigTree
-from vyos.template import is_ipv4
-from vyos.template import is_ipv6
-
 
 if len(argv) < 2:
     print("Must specify file name!")