Fix and cleanup translations files

app/widgets/Header/locales.ini

@@ -1,2 +0,0 @@
-[roster]
-search   = Search in your contacts

app/widgets/Roster/locales.ini

@@ -15,4 +15,4 @@ results              = Results
 added                = Contact added
 updated              = Contact updated
 deleted              = Contact deleted
-search               = Search
+search               = Search in your contacts

app/widgets/Vcard4/locales.ini

@@ -5,22 +5,6 @@ not_updated       = Profile Not Updated
 public            = Your profile is now public
 restricted        = Your profile is now restricted
 
-[general]
-general_title     = General Informations
-name              = Name
-nickname          = Nickname
-email             = Email
-date_of_birth     = Date of Birth
-gender            = Gender
-marital           = Marital Status
-website           = Website
-about             = About Me
-
-[position]
-position_title    = Geographic Position
-locality          = Locality
-country           = Country
-
 [accounts]
 accounts_title    = Accounts
 twitter           = Twitter