Simplify condition for formatting CPU features

Commit adff345e added support for features to MODE_HOSTPASSTHROUGH
as well. Since we support all modes now, the condition can be
eliminated.

src/conf/cpu_conf.c

@@ -660,7 +660,6 @@ virCPUDefFormatBuf(virBufferPtr buf,
         virBufferAddLit(buf, "/>\n");
     }
 
-    if (formatModel || def->mode == VIR_CPU_MODE_HOST_PASSTHROUGH) {
     for (i = 0; i < def->nfeatures; i++) {
         virCPUFeatureDefPtr feature = def->features + i;
 
@@ -687,7 +686,6 @@ virCPUDefFormatBuf(virBufferPtr buf,
                               feature->name);
         }
     }
-    }
 
     if (def->ncells) {
         virBufferAddLit(buf, "<numa>\n");