Fix Spanish translation following coding-standards updates

Numbered placeholders were added, unintentionally invalidating existing
translations.

Fixes #5.
8 jobs for fix/5-es-translation in 3 minutes and 12 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #3855
PHPCS

00:01:50

passed #3849
PHPunit:PHP5.3:MySQL

00:02:39

passed #3850
PHPunit:PHP5.6:MySQL

00:02:29

passed #3851
PHPunit:PHP7.0:MySQL

00:02:32

passed #3852
PHPunit:PHP7.1:MySQL

00:02:30

passed #3853
PHPunit:PHP7.2:MySQL

00:02:30

passed #3854
PHPunit:PHP7.3:MySQL

00:02:33

 
  Deploy
passed #3856
PluginSVN

00:00:32