fix(renderer): optimize code

Author: chenjixue

packages/renderer-core/src/renderer/renderer.tsx

@@ -125,8 +125,7 @@ export default function rendererFactory(): IRenderComponent {
     getComp() {
       const { schema, components } = this.props;
       const { componentName } = schema;
-      const allComponents = { ...RENDERER_COMPS, ...components };
-      let Comp = allComponents[componentName] || RENDERER_COMPS[`${componentName}Renderer`];
+      let Comp = components[componentName]
       if (Comp && Comp.prototype) {
         if (!(Comp.prototype instanceof BaseRenderer)) {
           Comp = RENDERER_COMPS[`${componentName}Renderer`];