util: Remove NONNULL(1) for virNetDevMacVLanDeleteWithVPortProfile

Since the source code checks 'ifname' for NULL before using, the prototype
doesn't need the NONNULL

src/util/virnetdevmacvlan.h

@@ -88,7 +88,7 @@ int virNetDevMacVLanDeleteWithVPortProfile(const char *ifname,
                                            int mode,
                                            virNetDevVPortProfilePtr virtPortProfile,
                                            char *stateDir)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
+    ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
     ATTRIBUTE_NONNULL(6) ATTRIBUTE_RETURN_CHECK;
 
 int virNetDevMacVLanRestartWithVPortProfile(const char *cr_ifname,