Remove unuse code

Rust 1.79 is starting to warn about those. For some reason, the unused
fields weren't caught before.

crates/fj-viewer/src/graphics/model.rs

@@ -43,14 +43,11 @@ pub struct Model {
 
 #[derive(Debug)]
 pub struct Material {
-    pub name: String,
-    pub diffuse_texture: super::texture::Texture,
     pub bind_group: wgpu::BindGroup,
 }
 
 #[derive(Debug)]
 pub struct Mesh {
-    pub name: String,
     pub vertex_buffer: wgpu::Buffer,
     pub index_buffer: wgpu::Buffer,
     pub num_elements: u32,
@@ -126,11 +123,7 @@ pub fn load_model(
             label: None,
         });
 
-        materials.push(Material {
-            name: m.name,
-            diffuse_texture,
-            bind_group,
-        })
+        materials.push(Material { bind_group })
     }
 
     let meshes = models
@@ -164,7 +157,6 @@ pub fn load_model(
                 });
 
             Mesh {
-                name: file_name.to_string(),
                 vertex_buffer,
                 index_buffer,
                 num_elements: m.mesh.indices.len() as u32,

crates/fj-viewer/src/graphics/texture.rs

@@ -2,7 +2,6 @@ use image::{GenericImageView, ImageError};
 
 #[derive(Debug)]
 pub struct Texture {
-    pub texture: wgpu::Texture,
     pub view: wgpu::TextureView,
     pub sampler: wgpu::Sampler,
 }
@@ -77,10 +76,6 @@ impl Texture {
             ..Default::default()
         });
 
-        Self {
-            texture,
-            view,
-            sampler,
-        }
+        Self { view, sampler }
     }
 }