[frogr] Rename toolbar buttons "Add Elements" and "Remove Elements"

[Mario Sanchez Prada <msanchez src gnome org>]

commit 78700fd7c93268e530b5ab3782eaee876729b7b9
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Mon Jan 22 11:05:53 2018 +0000

    Rename toolbar buttons "Add Elements" and "Remove Elements"
    
    Remove the "Elements" part, it's more than enough. Note that translations
    should keep working, since we have the "Add" and "Remove" text translated.

 src/frogr-main-view.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/frogr-main-view.c b/src/frogr-main-view.c
index a6e5d05..db8a9e7 100644
--- a/src/frogr-main-view.c
+++ b/src/frogr-main-view.c
@@ -602,8 +602,8 @@ static void _initialize_header_bar (FrogrMainView *self)
   /* First create the left side buttons */
 
   _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.open-project", "document-open-symbolic", 
_("Open"), _("Open Existing Project"), "<Primary>o");
-  _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.add-pictures", "list-add-symbolic", 
_("Add"), _("Add Elements"), "<Primary>l");
-  _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.remove-pictures", "list-remove-symbolic", 
_("Remove"), _("Remove Elements"), "Delete");
+  _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.add-pictures", "list-add-symbolic", 
_("Add"), _("Add"), "<Primary>l");
+  _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.remove-pictures", "list-remove-symbolic", 
_("Remove"), _("Remove"), "Delete");
   _add_item_to_header_bar (self, HEADER_BAR_POSITION_START, "win.upload-all", "document-send-symbolic", 
_("Upload"), _("Upload All"), "<Primary>u");
 
   /* Menu button and its associated menu */
@@ -698,8 +698,8 @@ static void _initialize_menubar_and_toolbar (FrogrMainView *self)
   toolbar_items[0] = _create_toolbar_item ("win.open-project", "document-open", _("Open"), _("Open Existing 
Project"));
   toolbar_items[1] = _create_toolbar_item ("win.save-project", "document-save", _("Save"), _("Save Current 
Project"));
   toolbar_items[2] = gtk_separator_tool_item_new ();
-  toolbar_items[3] = _create_toolbar_item ("win.add-pictures", "list-add", _("Add"), _("Add Elements"));
-  toolbar_items[4] = _create_toolbar_item ("win.remove-pictures", "list-remove", _("Remove"), _("Remove 
Elements"));
+  toolbar_items[3] = _create_toolbar_item ("win.add-pictures", "list-add", _("Add"), _("Add"));
+  toolbar_items[4] = _create_toolbar_item ("win.remove-pictures", "list-remove", _("Remove"), _("Remove"));
   toolbar_items[5] = gtk_separator_tool_item_new ();
   toolbar_items[6] = _create_toolbar_item ("win.upload-all", "go-up", _("Upload"), _("Upload All"));