[gnome-characters] characterList: Remove unused variables

[Daiki Ueno <dueno src gnome org>]

commit 4d44b24f106e42886fad8e4528933d0c6ff8ea9a
Author: Daiki Ueno <dueno src gnome org>
Date:   Tue Aug 22 16:44:01 2017 +0200

    characterList: Remove unused variables

 src/characterList.js |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/src/characterList.js b/src/characterList.js
index 51954d9..6b7bb6a 100644
--- a/src/characterList.js
+++ b/src/characterList.js
@@ -610,21 +610,18 @@ var CharacterListView = new Lang.Class({
             return;
         }
 
-        this._characters = [];
         let criteria = Gc.SearchCriteria.new_category(category.category);
         this._searchContext = new Gc.SearchContext({ criteria: criteria });
         this._searchWithContext(this._searchContext, this.initialSearchCount);
     },
 
     searchByKeywords: function(keywords) {
-        this._characters = [];
         let criteria = Gc.SearchCriteria.new_keywords(keywords, Gc.SearchFlag.NONE);
         this._searchContext = new Gc.SearchContext({ criteria: criteria });
         this._searchWithContext(this._searchContext, this.initialSearchCount);
     },
 
     searchByScripts: function(scripts) {
-        this._characters = [];
         var criteria = Gc.SearchCriteria.new_scripts(scripts);
         this._searchContext = new Gc.SearchContext({ criteria: criteria });
         this._searchWithContext(this._searchContext, this.initialSearchCount);