remove release scripts

[ upstream commit df03e88 ]

[ backporter notes: trivial deletion conflict. ]

These scripts will only be available under github.com/cilium/release to
avoid any confusion when performing releases.

Signed-off-by: André Martins <andre@cilium.io>

contrib/backporting/check-stable

@@ -20,7 +20,7 @@ PROG=${0##*/}
 STABLE_BRANCH=${1:-}
 SUMMARY_LOG=${2:-}
 
-source $(dirname $(readlink -ne $BASH_SOURCE))/../release/lib/common.sh
+source $(dirname $(readlink -ne $BASH_SOURCE))/k8s-common.sh
 source $TOOL_LIB_PATH/gitlib.sh
 source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
 

contrib/backporting/start-backport

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright Authors of Cilium
 
-source $(dirname $(readlink -ne $BASH_SOURCE))/../release/lib/common.sh
+source $(dirname $(readlink -ne $BASH_SOURCE))/k8s-common.sh
 source $TOOL_LIB_PATH/gitlib.sh
 source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
 

contrib/backporting/submit-backport

@@ -3,7 +3,7 @@
 # Copyright Authors of Cilium
 
 DIR=$(dirname $(readlink -ne $BASH_SOURCE))
-source $DIR/../release/lib/common.sh
+source $DIR/k8s-common.sh
 source $DIR/common.sh
 
 require_linux