Remove last end of line

Author: jpfinne

modules/openapi-generator/src/main/resources/JavaSpring/oneof_interface.mustache

@@ -22,4 +22,4 @@ public {{>sealed}}interface {{classname}}{{#vendorExtensions.x-implements}}{{#-f
     {{#discriminator}}
     public {{propertyType}} {{propertyGetter}}();
     {{/discriminator}}
-}
+}