File fix-unneeded-errors.patch of Package xen

Remove some changes made by libxc.migrate_tracking.patch which causes error messages when no
error happens.

Index: xen-4.14.0-testing/tools/libxc/xc_domain.c
===================================================================
--- xen-4.14.0-testing.orig/tools/libxc/xc_domain.c
+++ xen-4.14.0-testing/tools/libxc/xc_domain.c
@@ -69,26 +69,20 @@ int xc_domain_cacheflush(xc_interface *x
 int xc_domain_pause(xc_interface *xch,
                     uint32_t domid)
 {
-    int ret;
     DECLARE_DOMCTL;
     domctl.cmd = XEN_DOMCTL_pausedomain;
     domctl.domain = domid;
+    return do_domctl(xch, &domctl);
-    ret = do_domctl(xch, &domctl);
-    SUSEINFO("domid %u: %s returned %d", domid, __func__, ret);
-    return ret;
 }


 int xc_domain_unpause(xc_interface *xch,
                       uint32_t domid)
 {
-    int ret;
     DECLARE_DOMCTL;
     domctl.cmd = XEN_DOMCTL_unpausedomain;
     domctl.domain = domid;
+    return do_domctl(xch, &domctl);
-    ret = do_domctl(xch, &domctl);
-    SUSEINFO("domid %u: %s returned %d", domid, __func__, ret);
-    return ret;
 }