CLEANUP: Remove unreachable `break` from parse_time_err()

The `return` already leaves the function.
diff --git a/src/tools.c b/src/tools.c
index 76a0cd7..91b2aca 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -2432,7 +2432,6 @@
 		break;
 	default:
 		return text;
-		break;
 	}
 	if (*(++text) != '\0') {
 		ha_warning("unexpected character '%c' after the timer value '%s', only "