update button.phtml

It has overcomplicated translation phrase. 
"<a href=""%1"" onclick=""this.target=\'_blank\'"" class=""print"">Print receipt</a>" 
vs
"Print receipt"

Author: ChuckyK

app/code/Magento/Checkout/view/frontend/templates/button.phtml

@@ -10,6 +10,8 @@
 <?php /** @var $block \Magento\Checkout\Block\Onepage\Success */ ?>
 
 <?php if ($block->getCanViewOrder() && $block->getCanPrintOrder()) :?>
-    <?php /* @escapeNotVerified */ echo __('<a href="%1" onclick="this.target=\'_blank\'" class="print">Print receipt</a>', $block->getPrintUrl()) ?>
+	<a href="<?php /* @escapeNotVerified */ echo $block->getPrintUrl() ?>" target="_blank" class="print">
+		<?php /* @escapeNotVerified */ echo __('Print receipt') ?>
+	</a>
     <?php echo $block->getChildHtml() ?>
 <?php endif;?>