Remove unused XNUM conversion functions

Author: juntuu

jsrc/conversions.cpp

@@ -204,12 +204,6 @@ jtxd1(J jt, D p, I mode) -> X {
     EPILOG(z);
 }
 
-template <>
-[[nodiscard]] auto
-convert<D, X>(J jt, array w, void *yv, I mode) -> bool {
-    return convert<D, X>(jt, w, yv, [=](auto v) { return jtxd1(jt, v, mode); }) && !jt->jerr;
-}
-
 template <>
 [[nodiscard]] auto
 convert<X, bool>(J jt, array w, void *yv) -> bool {
@@ -240,17 +234,6 @@ convert<X, I>(J jt, array w, void *yv) -> bool {
     });
 }
 
-template <>
-[[nodiscard]] auto
-convert<X, D>(J jt, array w, void *yv) -> bool {
-    return convert<X, D>(jt, w, yv, [](auto p) {
-        auto const c = pointer_to_values<int64_t>(p)[AN(p) - 1];
-        if (c == XPINF) { return inf; }
-        if (c == XNINF) { return infm; }
-        return value_from_X<double>(p);
-    });
-}
-
 template <>
 [[nodiscard]] auto
 convert<X, Q>(J jt, array w, void *yv) -> bool {