Allow module area for PVWatts Battery configs

Author: cpaulgilman

deploy/runtime/ui/PV Battery Capital Costs.json

@@ -9562,8 +9562,7 @@
         "};",
         "",
         "equations{ 'modulearray_area' } = define() {",
-        "\tif ( technology() == 'PVWatts Battery' ) {return 0;}",
-        "\telse {return ${total_module_area};}",
+        "\treturn ${total_module_area};",
         "};",
         "",
         "equations{ 'total_indirect_cost' } = define() {",