etk-theme-ninja: move to obsolete

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

diff --git a/recipes/openmoko-projects/etk-theme-ninja_svn.bb b/recipes/obsolete/etk-theme-ninja_svn.bb
similarity index 100%
rename from recipes/openmoko-projects/etk-theme-ninja_svn.bb
rename to recipes/obsolete/etk-theme-ninja_svn.bb