util: virnetdevopenvswitch: Drop an unused variable @ovs_timeout

Technically, it was never used ever since commit @f4d06ca8 introduced
it, but the fact that we called VIR_FREE on it was enough for Clang to
never complain about it.
Signed-off-by: NErik Skultety <eskultet@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/util/virnetdevopenvswitch.c

@@ -473,7 +473,6 @@ virNetDevOpenvswitchGetVhostuserIfname(const char *path,
     size_t ntokens = 0;
     int status;
     int ret = -1;
-    VIR_AUTOFREE(char *) ovs_timeout = NULL;
 
     /* Openvswitch vhostuser path are hardcoded to
      * /<runstatedir>/openvswitch/<ifname>