Normalize versicle notation to plain V./R. across propers

Unicode ℣/℟ (U+2123/U+211F) were mixed unpredictably with plain V./R.
across ~550 proper YAML files, sometimes within the same file. Screen
readers can't announce the unicode glyphs. Replace all instances with
plain text.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QC6jHsj75xcsTkapqJR6fD

src/data/propers/common/lauds-responsory-st-benedict.yml

@@ -9,18 +9,18 @@ id: lauds-responsory-st-benedict
 text:
   la: |
     R.br. Amávit eum Dóminus, * Et ornávit eum.
-    ℟. Amávit eum Dóminus, * Et ornávit eum.
-    ℣. Stolam glóriæ índuit eum.
-    ℟. Et ornávit eum.
-    ℣. Glória Patri, et Fílio, * et Spirítui Sancto.
-    ℟. Amávit eum Dóminus, * Et ornávit eum.
+    R. Amávit eum Dóminus, * Et ornávit eum.
+    V. Stolam glóriæ índuit eum.
+    R. Et ornávit eum.
+    V. Glória Patri, et Fílio, * et Spirítui Sancto.
+    R. Amávit eum Dóminus, * Et ornávit eum.
   en: |
     R.br. The Lord loved him, * and beautified him.
-    ℟. The Lord loved him, * and beautified him.
-    ℣. He clothed him with a robe of glory.
-    ℟. And beautified him.
-    ℣. Glory be to the Father, and to the Son, * and to the Holy Ghost.
-    ℟. The Lord loved him, * and beautified him.
+    R. The Lord loved him, * and beautified him.
+    V. He clothed him with a robe of glory.
+    R. And beautified him.
+    V. Glory be to the Father, and to the Son, * and to the Holy Ghost.
+    R. The Lord loved him, * and beautified him.
 status:
   la: verified
   en: verified