fix: remove duplicate test

pruner.test.ts

@@ -754,50 +754,6 @@ function findOrphanedToolUse(result: any[]): string | null {
   console.log("  PASS: corrupted block skipped, all original messages preserved");
 
   console.log("TEST 10 PASSED\n");
-}//
-// Blocks from older sessions may have null/Infinity timestamps due to JSON
-// round-trip corruption. These blocks should be skipped during compression
-// application and should not block new compress operations.
-// ---------------------------------------------------------------------------
-{
-  console.log("TEST 11: corrupted block with null/Infinity timestamps is skipped");
-
-  const messages: any[] = [
-    { role: "user",       content: [{ type: "text", text: "hello" }], timestamp: 1000 },
-    { role: "assistant",  content: [{ type: "text", text: "hi" }], timestamp: 2000 },
-    { role: "user",       content: [{ type: "text", text: "bye" }], timestamp: 3000 },
-  ];
-
-  // Block with corrupted timestamps (null from JSON round-trip)
-  const state = makeState([
-    {
-      id: 1,
-      topic: "ghost block",
-      summary: "This block has corrupted timestamps.",
-      startTimestamp: null as any,  // null from JSON deserialization of Infinity
-      endTimestamp: null as any,
-      anchorTimestamp: null as any,
-      active: true,
-      summaryTokenEstimate: 5,
-      createdAt: Date.now(),
-    },
-  ]);
-
-  const result = applyPruning(messages, state, makeConfig());
-
-  console.log("  Result messages:");
-  for (const m of result) {
-    const preview = Array.isArray(m.content)
-      ? m.content.map((b: any) => b.text ?? b.type ?? "?").join(" | ").slice(0, 60)
-      : String(m.content).slice(0, 60);
-    console.log(`    role="${m.role}"  ts=${m.timestamp}  content="${preview}"`);
-  }
-
-  // All 3 original messages should survive (ghost block was skipped)
-  assert.strictEqual(result.length, 3, `FAIL — expected 3 messages, got ${result.length}`);
-  console.log("  PASS: corrupted block skipped, all original messages preserved");
-
-  console.log("TEST 11 PASSED\n");
 }
 
 console.log("All tests passed.");