[gtranslator] Remove unused variables

[Daniel Garcia Moreno <danigm src gnome org>]

commit ff223b5389978f4579b53a8bc91b042c0a6d7cff
Author: Daniel García Moreno <danigm wadobo com>
Date:   Sat Oct 6 16:00:05 2018 +0200

    Remove unused variables

 src/gtr-message-table.c | 5 -----
 1 file changed, 5 deletions(-)
---
diff --git a/src/gtr-message-table.c b/src/gtr-message-table.c
index 5479d0bc..ea266ced 100644
--- a/src/gtr-message-table.c
+++ b/src/gtr-message-table.c
@@ -88,17 +88,12 @@ gtr_message_table_selection_changed (GtkTreeSelection *selection,
   GtkTreeIter iter;
   GtkTreeModel *model;
   GtrMsg *msg;
-  GList *current_msg = NULL;
   GtrMessageTablePrivate *priv;
-  GtrPo *po;
 
   g_return_if_fail (selection != NULL);
 
   priv = gtr_message_table_get_instance_private (table);
 
-  po = gtr_tab_get_po (priv->tab);
-  current_msg = gtr_po_get_current_message (po);
-
   if (gtk_tree_selection_get_selected (selection, &model, &iter) == TRUE)
     {
       gtk_tree_model_get (model, &iter,