fix: remove height of score history chart

Author: FreekBes

templates/admin/dashboard.njk

@@ -64,7 +64,7 @@
 					<h5 class="card-title mb-0">Coalitions score history</h5>
 				</div>
 				<div class="card-body">
-					<canvas height="250" class="codam-chart" data-url="/admin/charts/coalitions/scores/history" id="coalition-score-history"></canvas>
+					<canvas class="codam-chart" data-url="/admin/charts/coalitions/scores/history" id="coalition-score-history"></canvas>
 				</div>
 			</div>
 		</div>