Refs #21325: DROP: Check against correct branches

Signed-off-by: eduponz <eduardoponz@eprosima.com>

Author: EduPonz

docs/conf.py

@@ -241,6 +241,8 @@ def configure_doxyfile(
         )
         fastdds_branch = 'origin/master'
 
+    fastdds_branch = 'origin/feature/remove_fastcdrv1_code'
+
     # Actual checkout
     print('Checking out Fast DDS branch "{}"'.format(fastdds_branch))
     fastdds.refs[fastdds_branch].checkout()
@@ -271,6 +273,8 @@ def configure_doxyfile(
             .format(fastdds_python_branch, docs_branch))
         fastdds_python_branch = 'origin/main'
 
+    fastdds_python_branch = 'origin/feature/remove_fastcdrv1_code'
+
     # Actual checkout
     print('Checking out Fast DDS Python branch "{}"'.format(
         fastdds_python_branch))