[REF] update manifest and makefile

MANIFEST.in

@@ -13,7 +13,6 @@ recursive-include odoo *.ico
 recursive-include odoo *.jpeg
 recursive-include odoo *.jpg
 recursive-include odoo *.js
-recursive-include odoo *.less
 recursive-include odoo *.md
 recursive-include odoo *.mp3
 recursive-include odoo *.ogg
@@ -26,7 +25,7 @@ recursive-include odoo *.po
 recursive-include odoo *.rml
 recursive-include odoo *.rng
 recursive-include odoo *.rst
-recursive-include odoo *.sass
+recursive-include odoo *.scss
 recursive-include odoo *.sql
 recursive-include odoo *.svg
 recursive-include odoo *.template

Makefile

-# NOTE: please keep your version of sass up to date: sudo gem update
-.PHONY: watch css
-SASS_FILES=$(wildcard addons/*/static/src/css/*.sass openerp/addons/*/static/src/css/*.sass)
-CSS_FILES=$(patsubst %.sass,%.css,${SASS_FILES})
-css: ${CSS_FILES}
-%.css: %.sass
-	sass -t expanded --compass --unix-newlines --sourcemap=none $< $@
-watch:
-	sass -t expanded --compass --unix-newlines --sourcemap=none --watch .:.