revert conf.py intersphinx URL, it was a mistake in last change

Signed-off-by: weichen <niweichen@chinamobile.com>
Change-Id: Ic46248d6b231db9d67217ad402bcf29fcea6f66f
diff --git a/docs/conf.py b/docs/conf.py
index b96756d..c639b90 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -7,6 +7,7 @@
 ]
 
 intersphinx_mapping = {}
-intersphinx_mapping['ric-app-mc'] = ('https://o-ran-sc-doc.readthedocs.io/projects/o-ran-sc-ric-app-mc/en/%s' % branch, None)
 
-intersphinx_mapping['portal-ric-dashboard'] = ('https://o-ran-sc-doc.readthedocs.io/projects/o-ran-sc-portal-ric-dashboard/en/%s' % branch, None)
+intersphinx_mapping['ric-app-mc'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-ric-app-mc/en/%s' % branch, None)
+
+intersphinx_mapping['portal-ric-dashboard'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-portal-ric-dashboard/en/%s' % branch, None)