Update add-and-search-word-data-structure-design.cpp

Author: kamyu104

C++/add-and-search-word-data-structure-design.cpp

@@ -52,7 +52,6 @@ class WordDictionary {
     TrieNode *root_;
 };
 
-
 // Your WordDictionary object will be instantiated and called as such:
 // WordDictionary wordDictionary;
 // wordDictionary.addWord("word");