Refactoring/simplification of the pull-request about links

app/Locale/es_ES/translations.php

@@ -686,4 +686,37 @@ return array(
     // 'Task age in days' => '',
     // 'Days in this column' => '',
     // '%dd' => '',
+    // 'Add a link' => '',
+    // 'Add a new link' => '',
+    // 'Do you really want to remove this link: "%s"?' => '',
+    // 'Do you really want to remove this link with task #%d?' => '',
+    // 'Field required' => '',
+    // 'Link added successfully.' => '',
+    // 'Link updated successfully.' => '',
+    // 'Link removed successfully.' => '',
+    // 'Link labels' => '',
+    // 'Link modification' => '',
+    // 'Links' => '',
+    // 'Link settings' => '',
+    // 'Opposite label' => '',
+    // 'Remove a link' => '',
+    // 'Task\'s links' => '',
+    // 'The labels must be different' => '',
+    // 'There is no link.' => '',
+    // 'This label must be unique' => '',
+    // 'Unable to create your link.' => '',
+    // 'Unable to update your link.' => '',
+    // 'Unable to remove this link.' => '',
+    // 'relates to' => '',
+    // 'blocks' => '',
+    // 'is blocked by' => '',
+    // 'duplicates' => '',
+    // 'is duplicated by' => '',
+    // 'is a child of' => '',
+    // 'is a parent of' => '',
+    // 'targets milestone' => '',
+    // 'is a milestone of' => '',
+    // 'fixes' => '',
+    // 'is fixed by' => '',
+    // 'This task' => '',
 );