refactor: remove --force flag from download_ci_artifacts command

It will interfere with following multi-artifacts downloads later.
Additionally it is simple enough to just delete build/artifacts
by hand.

Signed-off-by: Egor Lazarchuk <yegorlz@amazon.co.uk>

Author: ShadowCurse

tools/devtool

@@ -440,9 +440,8 @@ cmd_help() {
     echo "        Builds the rootfs and guest kernel artifacts we use for our CI."
     echo "        Run './tools/devtool build_ci_artifacts help' for more details about the available commands."
     echo ""
-    echo "    download_ci_artifacts [--force]"
-    echo "        Downloads the CI artifacts used for testing from our S3 bucket. If --force is passed, purges any existing"
-    echo "        artifacts first. Useful for refreshing local artifacts after an update, or if something got messed up."
+    echo "    download_ci_artifacts"
+    echo "        Downloads the CI artifacts used for testing from our S3 bucket."
     echo ""
 
     cat <<EOF