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

7 files changed, 6 insertions, 18 deletions

diff --git a/src/migration-scripts/system/15-to-16 b/src/migration-scripts/system/15-to-16
index aa1c34032..2944cdb1e 100755
--- a/src/migration-scripts/system/15-to-16
+++ b/src/migration-scripts/system/15-to-16
@@ -2,7 +2,6 @@
 #
 # Make 'system options reboot-on-panic' valueless
 
-import os
 import sys
 
 from vyos.configtree import ConfigTree
diff --git a/src/migration-scripts/system/16-to-17 b/src/migration-scripts/system/16-to-17
index 37e02611d..afa171a9b 100755
--- a/src/migration-scripts/system/16-to-17
+++ b/src/migration-scripts/system/16-to-17
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2020 VyOS maintainers and contributors
+# Copyright (C) 2020-2024 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
@@ -20,7 +20,6 @@
 #   This is the only privilege level left and also the default, what is the
 #   sense in keeping this orphaned node?
 
-import os
 import sys
 
 from vyos.configtree import ConfigTree
diff --git a/src/migration-scripts/system/19-to-20 b/src/migration-scripts/system/19-to-20
index c04e6a5a6..177173c50 100755
--- a/src/migration-scripts/system/19-to-20
+++ b/src/migration-scripts/system/19-to-20
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2020 VyOS maintainers and contributors
+# Copyright (C) 2020-2024 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 @@
 
 # T3048: remove smp-affinity node from ethernet and use tuned instead
 
-import os
-
 from sys import exit, argv
 from vyos.configtree import ConfigTree
 
diff --git a/src/migration-scripts/system/20-to-21 b/src/migration-scripts/system/20-to-21
index 4bcf4edab..24e042ce2 100755
--- a/src/migration-scripts/system/20-to-21
+++ b/src/migration-scripts/system/20-to-21
@@ -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
@@ -16,8 +16,6 @@
 
 # T3795: merge "system name-servers-dhcp" into "system name-server"
 
-import os
-
 from sys import argv
 from vyos.configtree import ConfigTree
 
diff --git a/src/migration-scripts/system/21-to-22 b/src/migration-scripts/system/21-to-22
index 810b634ab..2a1b603c6 100755
--- a/src/migration-scripts/system/21-to-22
+++ b/src/migration-scripts/system/21-to-22
@@ -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
@@ -14,8 +14,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
-
 from sys import exit, argv
 from vyos.configtree import ConfigTree
 
diff --git a/src/migration-scripts/system/22-to-23 b/src/migration-scripts/system/22-to-23
index 8ed198383..f83279b88 100755
--- a/src/migration-scripts/system/22-to-23
+++ b/src/migration-scripts/system/22-to-23
@@ -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
@@ -14,8 +14,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
-
 from sys import exit, argv
 from vyos.configtree import ConfigTree
 
diff --git a/src/migration-scripts/system/23-to-24 b/src/migration-scripts/system/23-to-24
index fd68dbf22..1fd61d83b 100755
--- a/src/migration-scripts/system/23-to-24
+++ b/src/migration-scripts/system/23-to-24
@@ -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
@@ -14,8 +14,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
-
 from ipaddress import ip_interface
 from ipaddress import ip_address
 from sys import exit, argv