Remove unused strategy API from Draftail registry

client/src/components/Draftail/index.js

@@ -51,7 +51,6 @@ export const initEditor = (fieldName, options = {}) => {
     entityTypes = options.entityTypes.map(wrapWagtailIcon).map(type =>
       Object.assign(type, {
         source: registry.getSource(type.source),
-        strategy: registry.getStrategy(type.type) || null,
         decorator: registry.getDecorator(type.decorator),
         block: registry.getBlock(type.block),
       })

client/src/components/Draftail/registry.js

@@ -2,7 +2,6 @@ const registry = {
   decorators: {},
   blocks: {},
   sources: {},
-  strategies: {},
 };
 
 const registerDecorators = (decorators) => {
@@ -23,12 +22,6 @@ const registerSources = (sources) => {
 
 const getSource = name => registry.sources[name];
 
-const registerStrategies = (strategies) => {
-  Object.assign(registry.strategies, strategies);
-};
-
-const getStrategy = name => registry.strategies[name];
-
 export default {
   registerDecorators,
   getDecorator,
@@ -36,6 +29,4 @@ export default {
   getBlock,
   registerSources,
   getSource,
-  registerStrategies,
-  getStrategy,
 };