move Ferroxcube3R1MH from spirv_bindings to coremem_types::mat

crates/spirv_backend/src/mat.rs

@@ -25,24 +25,6 @@ impl Material<f32> for FullyGenericMaterial {
     }
 }
 
-/// MHPgram that's vaguely similar to Ferroxcube's 3R1 material
-#[derive(Copy, Clone, Default, PartialEq)]
-pub struct Ferroxcube3R1MH;
-
-impl Into<MHPgram<f32>> for Ferroxcube3R1MH {
-    fn into(self) -> MHPgram<f32> {
-        // TODO: how much (if any) penalty do we pay for this not being `const`?
-        MHPgram::new(25.0, 881.33, 44000.0)
-    }
-}
-
-impl Material<f32> for Ferroxcube3R1MH {
-    fn move_b_vec(&self, m: Vec3<f32>, target_b: Vec3<f32>) -> Vec3<f32> {
-        let curve: MHPgram<f32> = (*self).into();
-        curve.move_b_vec(m, target_b)
-    }
-}
-
 /// Optimized material aimed at saving space for the common case of a simulation that contains
 /// isomorphic conductors plus one exception material.
 #[derive(Copy, Clone, Default, PartialEq)]