Potential fix for pull request finding

fix broken action validation logic.

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Michael Adam <obnox@samba.org>

Author: obnoxxx

cli/builbo

@@ -243,20 +243,10 @@ if [ "$CONTAINER_CMD" = "podman" ]; then
 fi
 
 if [ -n "${SELECTED_ACTION}" ]; then
-if [ -n "${SELECTED_ACTION}" ]; then
-        echo "Error: multiple actions specified on cmdline but only one is allowed."
-        usage
-        exit 1
-    fi
-        echo "Error: multiple actions specified on cmdline but only one is allowed."
-        usage
-        exit 1
-    fi
-if [ -z "${SELECTED_ACTION}" ]; then
 echo "error: no action elected. Please use exactly one of -t, -h, -e, and -b."
-usage
-exit 1
-fi
+    echo "error: no action elected. Please use exactly one of -t, -h, -e, and -b."
+    usage
+    exit 1
 
 if [ "${ACTION}" = "build" ]; then