[glib] gkeyfile: Remove dead code and unused string literals

[Philip Withnall <pwithnall src gnome org>]

commit 58ec6674801f07edcf79ba7e6a4a9f17d1a1e13b
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Sat Oct 3 23:30:14 2015 +0100

    gkeyfile: Remove dead code and unused string literals
    
    In all these functions, group_name is guaranteed to be non-NULL by the
    function preconditions, so there is no need to handle it as NULL when
    building error messages. Remove some unnecessary string literals as a
    result.
    
    Coverity CID: 1325438–1325441

 glib/gkeyfile.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/glib/gkeyfile.c b/glib/gkeyfile.c
index e168f56..2756d67 100644
--- a/glib/gkeyfile.c
+++ b/glib/gkeyfile.c
@@ -1546,7 +1546,7 @@ g_key_file_get_keys (GKeyFile     *key_file,
       g_set_error (error, G_KEY_FILE_ERROR,
                    G_KEY_FILE_ERROR_GROUP_NOT_FOUND,
                    _("Key file does not have group '%s'"),
-                   group_name ? group_name : "(null)");
+                   group_name);
       return NULL;
     }
 
@@ -1719,7 +1719,7 @@ g_key_file_get_value (GKeyFile     *key_file,
       g_set_error (error, G_KEY_FILE_ERROR,
                    G_KEY_FILE_ERROR_GROUP_NOT_FOUND,
                    _("Key file does not have group '%s'"),
-                   group_name ? group_name : "(null)");
+                   group_name);
       return NULL;
     }
 
@@ -3564,7 +3564,7 @@ g_key_file_has_key_full (GKeyFile     *key_file,
       g_set_error (error, G_KEY_FILE_ERROR,
                    G_KEY_FILE_ERROR_GROUP_NOT_FOUND,
                    _("Key file does not have group '%s'"),
-                   group_name ? group_name : "(null)");
+                   group_name);
 
       return FALSE;
     }
@@ -3860,7 +3860,7 @@ g_key_file_remove_key (GKeyFile     *key_file,
       g_set_error (error, G_KEY_FILE_ERROR,
                    G_KEY_FILE_ERROR_GROUP_NOT_FOUND,
                    _("Key file does not have group '%s'"),
-                   group_name ? group_name : "(null)");
+                   group_name);
       return FALSE;
     }