fix(flow): use to suppress flow errors

Author: jedwards1211

.flowconfig

@@ -16,4 +16,3 @@ module.name_mapper='.*\.scss$' -> 'empty/object'
 module.name_mapper='.*\.css$' -> 'empty/object'
 esproposal.class_static_fields=enable
 esproposal.class_instance_fields=enable
-suppress_comment= \\(.\\|\n\\)*\\flow-issue

src/loadFeatureMiddleware.js

@@ -11,7 +11,7 @@ export default function loadFeatureMiddleware<S, A: {type: $Subtype<string>}>(
     getFeatureStates?: (state: S) => ?FeatureStates,
     createMiddleware?: (middlewares: {[actionType: string]: Middleware<S, A>}) => Middleware<S, A>,
   } = {}
-  // flow-issue
+  // $FlowFixMe
 ): Middleware<S, A | FeatureAction> {
   const getFeatures = config.getFeatures || ((state: any) => state && state.features)
   const getFeatureStates = config.getFeatureStates || ((state: any) => state && state.featureStates)