Removed double line

See line 770

Author: jaapmarcus

web/inc/i18n/en.php

@@ -840,7 +840,6 @@
     'Restart' => 'Restart',
     'Mail Server' => 'Mail Server',
     'Enabled multi PHP versions' => 'Enabled multi PHP versions',
-    'Please wait while php is installed or removed' => 'Please wait while php is installed or removed',
     'Service' => 'Service',
     'Description' => 'Description',