chore: remove flight-tracker example (missing flights data breaks Docker build)

Author: mgurbuz-tr

packages/examples/flight-tracker.html

@@ -278,24 +278,6 @@ <h1><span>MapGPU</span> Examples</h1>
       </a>
     </div>
 
-    <!-- Real-time -->
-    <div class="section-title">Real-time</div>
-    <div class="grid">
-      <a class="card" href="flight-tracker.html">
-        <div class="card-head">
-          <div class="card-icon">&#x2708;</div>
-          <span class="card-title">Flight Tracker</span>
-        </div>
-        <div class="card-desc">FlightRadar24-style demo: 25 flights with animated aircraft icons, heading rotation, timeline controls, speed playback, and flight detail sidebar.</div>
-        <div class="card-tags">
-          <span class="tag">GraphicsLayer</span>
-          <span class="tag">Icon Rotation</span>
-          <span class="tag">Animation</span>
-          <span class="tag">UniqueValueRenderer</span>
-        </div>
-      </a>
-    </div>
-
     <!-- Clustering -->
     <div class="section-title">Clustering</div>
     <div class="grid">