Remove the theme hacks. sugar-jhbuild set this up fine now.

sugar/Makefile.am

@@ -7,7 +7,6 @@ sugar_PYTHON =				\
 	bots.py				\
 	env.py				\
 	setup.py			\
-	theme.py			\
 	util.py				\
 	LogWriter.py
 

sugar/theme.py

@@ -1,10 +0,0 @@
-import gtk
-
-def setup():
-	settings = gtk.settings_get_default()
-		
-	if settings.get_property('gtk-theme-name') != 'olpc':
-		settings.set_string_property('gtk-theme-name', 'olpc', '')
-
-	if settings.get_property('gtk-icon-theme-name') != 'olpc':
-		settings.set_string_property('gtk-icon-theme-name', 'olpc', '')