Pass plugins via context instead of using Redux store

src/actions/editor.js

@@ -1,5 +1,4 @@
 export const SWITCH_VISUAL_MODE = 'SWITCH_VISUAL_MODE';
-export const REGISTER_COMPONENT = 'REGISTER_COMPONENT';
 
 export function switchVisualMode(useVisualMode) {
   return {
@@ -7,10 +6,3 @@ export function switchVisualMode(useVisualMode) {
     payload: useVisualMode
   };
 }
-
-export function registerComponent(options) {
-  return {
-    type: REGISTER_COMPONENT,
-    payload: options
-  };
-}