qemu: command: Remove condition to use default sheepdog port

Since we now set the default ports when parsing disks, it's not
necessary to have default port numbers encoded in the command line
generator.

src/qemu/qemu_command.c

@@ -938,8 +938,7 @@ qemuBuildNetworkDriveStr(virStorageSourcePtr src,
                     goto cleanup;
             } else if (src->nhosts == 1) {
                 if (virAsprintf(&ret, "sheepdog:%s:%s:%s",
-                                src->hosts->name,
-                                src->hosts->port ? src->hosts->port : "7000",
+                                src->hosts->name, src->hosts->port,
                                 src->path) < 0)
                     goto cleanup;
             } else {