Remove check for isEndToEndTestRun from registering to keyHandler

Summary: This fundamentally changes the semantics of state when doing e2e test runs and wasn't correct to add.

Reviewed By: muraziz

Differential Revision: D13415386

fbshipit-source-id: b4d21622f898e78873554bbe740b524293b24408

litho-core/src/main/java/com/facebook/litho/Component.java

@@ -613,7 +613,7 @@ private void applyStateUpdates(ComponentContext c) {
     if (ComponentsConfiguration.isDebugModeEnabled || ComponentsConfiguration.useGlobalKeys) {
       final KeyHandler keyHandler = getScopedContext().getKeyHandler();
       // This is for testing, the keyHandler should never be null here otherwise.
-      if (keyHandler != null && !ComponentsConfiguration.isEndToEndTestRun) {
+      if (keyHandler != null) {
         keyHandler.registerKey(this);
       }
     }