Remove duplicate lexicon

Author: AgelxNash

manager/includes/lang/english.inc.php

@@ -1248,8 +1248,6 @@
 $_lang["enable_filter_message"] = 'Filters allow you to manipulate the way data is presented or parsed in a tag. They allow you to modify values from inside your templates. This is analogous to PHx. <a href="https://github.com/modxcms/evolution/issues/623" target="ext_help">More info</a>'; // todo: change link to documentation
 $_lang["enable_filter_phx_warning"] = 'When PHx plugin enabled, built-in filters are disabled by default';
 
-$_lang["enable_filter_phx_warning"] = 'When PHx plugin enabled, built-in filters are disabled by default';
-
 $_lang["enable_at_syntax_title"] = 'Enable &lt;@SYNTAX&gt;';
 $_lang["enable_at_syntax_message"] = '&lt;@SYNTAX&gt;(atmark syntax) is simple and lightweight template syntax. This is designed to consider coexistence with HTML tags and content strings.';