[FIX] remove unused depends

[DOC] change module description

mail_archives/README.rst

@@ -1,11 +1,11 @@
 Mail Archives
 =============
 
-Adds Archive menu, which shows all messages
+Adds Archive menu, which shows sent/received messages
 
 Usage
 -----
-Click Discuss/Archive menu -- all messages are displayed
+Click Discuss/Archive menu -- sent/received messages are displayed
 
 Further information
 -------------------

mail_archives/__openerp__.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 {
     "name": "Mail archives",
-    "summary": """Adds menu to find old messages""",
+    "summary": """Adds menu to find sent/received messages""",
     "category": "Discuss",
     "images": [],
     "version": "1.0.0",
@@ -13,8 +13,6 @@
     'currency': 'EUR',
 
     "depends": [
-        "base",
-        "mail",
         "mail_base"
     ],