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-scholastica.yml

@@ -4,18 +4,18 @@ id: lauds-responsory-st-scholastica
 text:
   la: |
     R.br. Spécie tua * Et pulchritúdine tua.
-    ℟. Spécie tua * Et pulchritúdine tua.
-    ℣. Inténde, próspere procéde, et regna.
-    ℟. Et pulchritúdine tua.
-    ℣. Glória Patri, et Fílio, * et Spirítui Sancto.
-    ℟. Spécie tua * Et pulchritúdine tua.
+    R. Spécie tua * Et pulchritúdine tua.
+    V. Inténde, próspere procéde, et regna.
+    R. Et pulchritúdine tua.
+    V. Glória Patri, et Fílio, * et Spirítui Sancto.
+    R. Spécie tua * Et pulchritúdine tua.
   en: |
     R.br. In thy comeliness * and in thy beauty.
-    ℟. In thy comeliness * and in thy beauty.
-    ℣. Go forward, fare prosperously, and reign.
-    ℟. In thy beauty.
-    ℣. Glory be to the Father, and to the Son, * and to the Holy Ghost.
-    ℟. In thy comeliness * and in thy beauty.
+    R. In thy comeliness * and in thy beauty.
+    V. Go forward, fare prosperously, and reign.
+    R. In thy beauty.
+    V. Glory be to the Father, and to the Son, * and to the Holy Ghost.
+    R. In thy comeliness * and in thy beauty.
 status:
   la: verified
   en: verified