tree-wide: drop unused variables

Follow-ups for #8620.

diff --git a/src/basic/fd-util.c b/src/basic/fd-util.c
index 9b2fd332b484a0f84d4d6ba9ecaafe69f1ae0420..ed82cd6283cf4463b86d5c19cdb3f253fcc5e2bb 100644 (file)
--- a/src/basic/fd-util.c
+++ b/src/basic/fd-util.c
@@ -579,7 +579,6 @@ int fd_duplicate_data_fd(int fd) {
 
         _cleanup_close_ int copy_fd = -1, tmp_fd = -1;
         _cleanup_free_ void *remains = NULL;
-        _cleanup_free_ char *t = NULL;
         size_t remains_size = 0;
         const char *td;
         struct stat st;