Use previously existing macOS menu items translations

Remove "fuzzy" from the entries that are correct.

locale/zh_CN.po

@@ -6417,31 +6417,28 @@ msgid ""
 msgstr "无法使用字体文件“%s”，因为它不在字体目录“%s”内。"
 
 #: ../src/osx/menu_osx.cpp:491
-#, fuzzy, c-format
+#, c-format
 msgctxt "macOS menu item"
 msgid "About %s"
 msgstr "关于 %s"
 
 #: ../src/osx/menu_osx.cpp:494
-#, fuzzy
 msgctxt "macOS menu item"
 msgid "About..."
 msgstr "关于..."
 
 #: ../src/osx/menu_osx.cpp:502
-#, fuzzy
 msgctxt "macOS menu item"
 msgid "Preferences..."
 msgstr "偏好设置..."
 
 #: ../src/osx/menu_osx.cpp:507
-#, fuzzy
 msgctxt "macOS menu item"
 msgid "Services"
 msgstr "服务"
 
 #: ../src/osx/menu_osx.cpp:514
-#, fuzzy, c-format
+#, c-format
 msgctxt "macOS menu item"
 msgid "Hide %s"
 msgstr "隐藏 %s"
@@ -6453,19 +6450,17 @@ msgid "Hide Application"
 msgstr "应用程序"
 
 #: ../src/osx/menu_osx.cpp:520
-#, fuzzy
 msgctxt "macOS menu item"
 msgid "Hide Others"
 msgstr "隐藏其他"
 
 #: ../src/osx/menu_osx.cpp:522
-#, fuzzy
 msgctxt "macOS menu item"
 msgid "Show All"
 msgstr "显示全部"
 
 #: ../src/osx/menu_osx.cpp:528
-#, fuzzy, c-format
+#, c-format
 msgctxt "macOS menu item"
 msgid "Quit %s"
 msgstr "退出 %s"