fix: remove duplicate DisputedTx getYays/getNays accessors

These were already added in an earlier phase branch. The duplicate
with slightly different Doxygen wording was introduced by the
erroneous merge/revert cycle.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/xrpld/consensus/DisputedTx.h

@@ -60,20 +60,6 @@ public:
         return ourVote_;
     }
 
-    //! Number of peers voting to include the transaction.
-    [[nodiscard]] int
-    getYays() const
-    {
-        return yays_;
-    }
-
-    //! Number of peers voting to exclude the transaction.
-    [[nodiscard]] int
-    getNays() const
-    {
-        return nays_;
-    }
-
     //! Are we and our peers "stalled" where we probably won't change
     //! our vote?
     [[nodiscard]] bool