removed entries from gitignore file, re #2

.gitignore

@@ -6,28 +6,19 @@ node_modules
 nbproject
 
 config/config_local.inc.php
-config/studip-httpd.conf
-config/config.inc.php
 config/config.inc.php
 
 data/*
 data/archiv/[0-9a-f]*
 data/assets_cache/[0-9a-f]*
-data/extern_config/*.cfg
 data/media_cache/[0-9a-f]*
 data/oer/*
 data/oer_logos/*
 data/upload_doc/*
 
-lib/classes/dBug.php
-
 public/.htaccess
-public/assets/images/icons_working
-public/assets/images/apple-touch-icon.psd
 public/assets/javascripts/*.js
 public/assets/javascripts/*.js.map
-public/assets/javascripts/ckeditor/samples
-public/assets/javascripts/ckeditor/plugins/devtools
 public/assets/stylesheets/*.css
 public/assets/stylesheets/*.css.map
 public/pictures/banner/*.gif
@@ -40,11 +31,9 @@ public/pictures/smile/*.gif
 public/pictures/smile/*.jpeg
 public/pictures/smile/*.jpg
 public/pictures/smile/*.png
-public/pictures/tex/[0-9a-f]*.png
 public/pictures/user/[0-9a-f]*.png
 public/plugins_packages/*
 !public/plugins_packages/core
-public/plugins_packages/core/Forum/.swp
 
 tests/_log
 tests/_helpers/CodeGuy.php