[glib] docs: fix bogus override for GIConv

[Philip Withnall <pwithnall src gnome org>]

commit 5163805ec2cc13b517cd2eba25dd13d8289654fe
Author: Stefan Sauer <ensonic users sf net>
Date:   Thu Oct 26 21:40:11 2017 +0200

    docs: fix bogus override for GIConv
    
    GIConv is a typedef'ed pointer, don't claim it is a struct.
    https://bugzilla.gnome.org/show_bug.cgi?id=779501

 docs/reference/glib/glib-overrides.txt |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/docs/reference/glib/glib-overrides.txt b/docs/reference/glib/glib-overrides.txt
index b2774c0..991fcf2 100644
--- a/docs/reference/glib/glib-overrides.txt
+++ b/docs/reference/glib/glib-overrides.txt
@@ -288,10 +288,6 @@ gint *atomic
 gint *atomic
 </FUNCTION>
 
-<STRUCT>
-<NAME>GIConv</NAME>
-</STRUCT>
-
 <MACRO>
 <NAME>G_VA_COPY</NAME>
 #define G_VA_COPY(ap1,ap2)