Some code smell fixes from sonarlint

src/machine/machine_table.c

@@ -13092,11 +13092,11 @@ machine_get_machine_from_internal_name(char *s)
 
     while (machines[c].init != NULL) {
         if (!strcmp(machines[c].internal_name, (const char *) s))
-            return (c);
+            return c;
         c++;
     }
 
-    return (0);
+    return 0;
 }
 
 int