[REM] component: remove PureComponent

src/component.ts

@@ -438,21 +438,3 @@ export class Component<
     }
   }
 }
-
-export class PureComponent<E extends Env, P, S> extends Component<E, P, S> {
-  shouldUpdate(nextProps: P): boolean {
-    for (let k in nextProps) {
-      if (nextProps[k] !== this.props[k]) {
-        return true;
-      }
-    }
-    return false;
-  }
-  async updateState(nextState: Partial<S>) {
-    for (let k in nextState) {
-      if (nextState[k] !== this.state[k]) {
-        return super.updateState(nextState);
-      }
-    }
-  }
-}

src/index.ts

@@ -1,4 +1,4 @@
-export { Component, PureComponent } from "./component";
+export { Component } from "./component";
 export { EventBus } from "./event_bus";
 export { QWeb } from "./qweb";
 export { connect, Store } from "./store";