remove repeated text heading

Author: Essoz

docs/index.md

@@ -5,8 +5,7 @@ hide:
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 <div class="hero" markdown="1">
-  <img alt="TrainCheck logo" width="180" src="assets/images/traincheck_logo.png">
-  <h1>TrainCheck</h1>
+  <img alt="TrainCheck" width="360" src="assets/images/traincheck_logo.png">
   <p><strong>Invariant Checking & Observability for AI Training</strong></p>
   <p>Stop flying blind. Validate training dynamics, catch silent errors, and debug with confidence automatically.</p>