experiment: remove llm_review experiment and associated code

It creates confusion for the agent and doesn't provide much value.
Perhaps with better prompt engineering, but I can't invest
in that much right now.

Co-Authored-By: sketch <hello@sketch.dev>
Change-ID: s9f2a8c418876c498k
diff --git a/claudetool/codereview/codereview_test.go b/claudetool/codereview/codereview_test.go
index 4872168..3b04898 100644
--- a/claudetool/codereview/codereview_test.go
+++ b/claudetool/codereview/codereview_test.go
@@ -234,7 +234,7 @@
 
 	// Create a code reviewer for the repository
 	ctx := context.Background()
-	reviewer, err := NewCodeReviewer(ctx, dir, initialCommit, NoLLMReview)
+	reviewer, err := NewCodeReviewer(ctx, dir, initialCommit)
 	if err != nil {
 		return "", fmt.Errorf("error creating code reviewer: %w", err)
 	}
@@ -272,7 +272,7 @@
 		return nil, fmt.Errorf("initial commit not set, cannot run autoformat")
 	}
 	ctx := context.Background()
-	reviewer, err := NewCodeReviewer(ctx, dir, initialCommit, NoLLMReview)
+	reviewer, err := NewCodeReviewer(ctx, dir, initialCommit)
 	if err != nil {
 		return nil, fmt.Errorf("error creating code reviewer: %w", err)
 	}