Issue mongodb#405 Complete translate

Author: jerry-shao

locale/zh/LC_MESSAGES/faq/mongo.po

@@ -10,8 +10,6 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=1; plural=0;\n"
-"Language: zh_CN\n"
 "X-Generator: Poedit 1.7.3\n"
 
 #: ../source/faq/mongo.txt:3