apiPut not needed for zonefile page

dns/domain_zonefile/domain_zonefile.js

@@ -15,7 +15,7 @@
  * along with Linode Manager Classic.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { settings, elements, apiGet, apiPut, parseParams, setupHeader } from "/global.js";
+import { settings, elements, apiGet, parseParams, setupHeader } from "/global.js";
 
 (function()
 {