Remove plugin global deprecating function

It unfortunately triggers a notice on every page load
https://skyverge.slack.com/archives/woocommerce/p1464147410000620

Author: tamarazuk

i18n/languages/woocommerce-sequential-order-numbers.pot

@@ -13,14 +13,24 @@ msgstr ""
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"
 
-#: woocommerce-sequential-order-numbers.php:458
+#: woocommerce-sequential-order-numbers.php:67
+#. translators: Placeholders: %s - plugin name
+msgid "You cannot clone instances of %s."
+msgstr ""
+
+#: woocommerce-sequential-order-numbers.php:79
+#. translators: Placeholders: %s - plugin name
+msgid "You cannot unserialize instances of %s."
+msgstr ""
+
+#: woocommerce-sequential-order-numbers.php:493
 #. Translators: %s - error message(s)
 msgid ""
 "Error activating and installing <strong>WooCommerce Sequential Order "
 "Numbers</strong>: %s"
 msgstr ""
 
-#: woocommerce-sequential-order-numbers.php:459
+#: woocommerce-sequential-order-numbers.php:494
 msgid "&laquo; Go Back"
 msgstr ""
 

woocommerce-sequential-order-numbers.php

@@ -544,26 +544,10 @@ function wc_sequential_order_numbers() {
 }
 
 
-/**
- * Returns the One True Instance of Sequential Order Numbers after warning that
- * the global has been deprecated
- *
- * @since 1.7.0
- * @return \WC_Seq_Order_Number
- */
-function wc_sequential_order_numbers_deprecated_global() {
-
-	/* @deprecated since 1.7.0 */
-	_deprecated_function( "\$GLOBALS['wc_seq_order_number']", '1.7.0', 'wc_sequential_order_numbers()' );
-
-	return wc_sequential_order_numbers();
-}
-
-
 /**
  * The WC_Seq_Order_Number global object
  * @deprecated 1.7.0
  * @name $wc_seq_order_number
  * @global WC_Seq_Order_Number $GLOBALS['wc_seq_order_number']
  */
-$GLOBALS['wc_seq_order_number'] = wc_sequential_order_numbers_deprecated_global();
+$GLOBALS['wc_seq_order_number'] = wc_sequential_order_numbers();