[libchamplain] Update .gitignore

[Jiří Techet <jiritechet src gnome org>]

commit 159bc34de95bee68a9b70aca854c6dac59513d3c
Author: Jiří Techet <techet gmail com>
Date:   Sun Feb 10 18:14:50 2019 +0100

    Update .gitignore
    
    1. Remove docs/reference-gtk
    2. Ignore files/directories starting with _ - meant for e.g. _builddir
    of meson

 .gitignore | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index fd1ffef..91408e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ autom4te.cache
 *#*
 *.sw?
 *.pyc
+_*
 champlain-gtk/champlain-gtk-marshal.c
 champlain-gtk/champlain-gtk-marshal.h
 champlain-gtk/stamp-marshal
@@ -53,22 +54,6 @@ demos/launcher-vala.c
 demos/markers-vala.c
 depcomp
 compile
-docs/reference-gtk/champlain-gtk-undeclared.txt
-docs/reference-gtk/champlain-gtk-undocumented.txt
-docs/reference-gtk/champlain-gtk-unused.txt
-docs/reference-gtk/champlain-gtk.args
-docs/reference-gtk/champlain-gtk.hierarchy
-docs/reference-gtk/champlain-gtk.interfaces
-docs/reference-gtk/champlain-gtk.prerequisites
-docs/reference-gtk/champlain-gtk.signals
-docs/reference-gtk/version.xml
-docs/reference-gtk/champlain-gtk-decl-list.txt
-docs/reference-gtk/champlain-gtk-decl.txt
-docs/reference-gtk/champlain-gtk-overrides.txt
-docs/reference-gtk/champlain-gtk-types.txt
-docs/reference-gtk/html/*.*
-docs/reference-gtk/tmpl/*.*
-docs/reference-gtk/xml/*.*
 docs/reference/version.xml
 docs/reference/champlain-undeclared.txt
 docs/reference/champlain-undocumented.txt