Function deleteShield

js/main.js:300–305

(shieldIndex)

	// Delete the current shield, update the shield subform, and redraw the sign
	const deleteShield = function(shieldIndex) {
		const sign = post.panels[currentlySelectedPanelIndex].sign;
		sign.deleteShield(shieldIndex, currentlySelectedSubPanelIndex);
		updateShieldSubform();
		redraw();
	};

	// Delete all shields of a sign
	const clearShields = function() {