[code-simplifier] test: remove duplicate benchmark and dead code in test files

pkg/constants/constants_test.go

@@ -511,14 +511,6 @@ func TestTypeSafetyBetweenSemanticTypes(t *testing.T) {
 	if string(step1) != "check_membership" {
 		t.Errorf("StepID string conversion failed: got %q, want %q", step1, "check_membership")
 	}
-
-	// Verify that different semantic types have different underlying types
-	// (this is a compile-time check, but we verify the values are correct)
-	jobStr := string(AgentJobName)
-	stepStr := string(CheckMembershipStepID)
-	_ = jobStr  // Used for demonstration
-	_ = stepStr // Used for demonstration
-	// Different semantic types prevent accidental mixing even if string values match
 }
 
 // TestHelperMethods tests the helper methods on semantic types

pkg/repoutil/repoutil_test.go

@@ -67,13 +67,6 @@ func TestSplitRepoSlug(t *testing.T) {
 	}
 }
 
-func BenchmarkSplitRepoSlug(b *testing.B) {
-	slug := "github/gh-aw"
-	for b.Loop() {
-		_, _, _ = SplitRepoSlug(slug)
-	}
-}
-
 // Additional edge case tests
 
 func TestSplitRepoSlug_Whitespace(t *testing.T) {