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-common-of-a-martyr.yml

@@ -5,18 +5,18 @@ id: lauds-responsory-common-of-a-martyr
 text:
   la: |
     R.br. Glória et honóre * Coronásti eum, Dómine.
-    ℟. Glória et honóre * Coronásti eum, Dómine.
-    ℣. Et constituísti eum super ópera mánuum tuárum.
-    ℟. Coronásti eum, Dómine.
-    ℣. Glória Patri, et Fílio, * et Spirítui Sancto.
-    ℟. Glória et honóre * Coronásti eum, Dómine.
+    R. Glória et honóre * Coronásti eum, Dómine.
+    V. Et constituísti eum super ópera mánuum tuárum.
+    R. Coronásti eum, Dómine.
+    V. Glória Patri, et Fílio, * et Spirítui Sancto.
+    R. Glória et honóre * Coronásti eum, Dómine.
   en: |
     R.br. Thou hast crowned him * with glory and honour, O Lord.
-    ℟. Thou hast crowned him * with glory and honour, O Lord.
-    ℣. And madest him to have dominion over the works of thy hands.
-    ℟. With glory and honour, O Lord.
-    ℣. Glory be to the Father, and to the Son, * and to the Holy Ghost.
-    ℟. Thou hast crowned him * with glory and honour, O Lord.
+    R. Thou hast crowned him * with glory and honour, O Lord.
+    V. And madest him to have dominion over the works of thy hands.
+    R. With glory and honour, O Lord.
+    V. Glory be to the Father, and to the Son, * and to the Holy Ghost.
+    R. Thou hast crowned him * with glory and honour, O Lord.
 status:
   la: verified
   en: verified