message: refactor: remove redundant ternary
diff: @@ -224,9 +224,7 @@ export function defineComputed (
  ? createComputedGetter(key)
  : userDef.get
  : noop
  - sharedPropertyDefinition.set = userDef.set
  - ? userDef.set
  - : noop
  + sharedPropertyDefinition.set = userDef.set || noop
  }
  if (process.env.NODE_ENV !== 'production' &&
  sharedPropertyDefinition.set === noop) {
  