refactor(ivy): remove type from DirectiveDef (#21374)

This change makes the code cleaner for the user. It does mean
a little bit more work for us since we have to patch the `type` back
into the `DirectiveDef`. However since the patching happens only once
on startup it should not be significant.

PR Close #21374

packages/core/src/render3/definition.ts

@@ -32,7 +32,6 @@ import {ComponentDef, ComponentDefArgs, DirectiveDef, DirectiveDefArgs} from './
  */
 export function defineComponent<T>(componentDefinition: ComponentDefArgs<T>): ComponentDef<T> {
   const def = <ComponentDef<any>>{
-    type: componentDefinition.type,
     diPublic: null,
     n: componentDefinition.factory,
     tag: (componentDefinition as ComponentDefArgs<T>).tag || null !,