Remove redundant ECSLoopTest from frontend

public/index.html

@@ -17,7 +17,6 @@
 		</div>
 		<canvas id="canvas" width="1000" height="600"></canvas>
 		<button onclick="untapAllZones()">Untap all</button>
-		<button onclick="ECSLoopTest()">Test ECS Loop</button>
 		<button onclick="echoCards()">Print cardlist to console</button>
 		<button onclick="echoCardsInDeck(0)">Print cardsInDeck for player0</button>
 		<button onclick="echoCardsInDeck(1)">Print cardsInDeck for player1</button>