remove draw_mode and usage from mesh struct

src/asset.cpp

@@ -224,8 +224,6 @@ parseMeshNode(mesh* m,
 	const tinygltf::Accessor& index_acc = t_mdl.accessors[prim.indices];
 	m->num_vertices = vert_acc.count;
 	m->num_indices = index_acc.count;
-	m->draw_mode = prim.mode;
-	m->usage = GL_STATIC_DRAW; // TODO: logic for updating dynamic meshes
 	// FIXME: the node transforms from blender only work as part of a node tree
 #if 1
 	m->xform = ARENA_ALLOC(arena, glm::mat4, 1);

src/asset.h

@@ -28,8 +28,6 @@ struct util_image
 
 struct mesh
 {
-	GLenum draw_mode; // NOTE: GL_LINES, GL_TRIANGLES
-	GLenum usage; // NOTE: GL_STATIC_DRAW, GL_DYNAMIC_DRAW
 	u32 num_vertices;
 	u32 num_indices;
 	glm::vec3* vertices;