Remove unused code

crates/fj-core/src/validate/face.rs

@@ -25,7 +25,3 @@ impl Validate for Face {
         );
     }
 }
-
-/// [`Face`] validation error
-#[derive(Clone, Debug, thiserror::Error)]
-pub enum FaceValidationError {}

crates/fj-core/src/validate/mod.rs

@@ -79,9 +79,8 @@ use crate::{
 };
 
 pub use self::{
-    edge::EdgeValidationError, face::FaceValidationError,
-    shell::ShellValidationError, sketch::SketchValidationError,
-    solid::SolidValidationError,
+    edge::EdgeValidationError, shell::ShellValidationError,
+    sketch::SketchValidationError, solid::SolidValidationError,
 };
 
 /// Assert that some object has a validation error which matches a specific

crates/fj-core/src/validation/error.rs

@@ -1,8 +1,8 @@
 use std::{convert::Infallible, fmt};
 
 use crate::validate::{
-    EdgeValidationError, FaceValidationError, ShellValidationError,
-    SketchValidationError, SolidValidationError,
+    EdgeValidationError, ShellValidationError, SketchValidationError,
+    SolidValidationError,
 };
 
 use super::checks::{
@@ -29,10 +29,6 @@ pub enum ValidationError {
     #[error("`Edge` validation error")]
     Edge(#[from] EdgeValidationError),
 
-    /// `Face` validation error
-    #[error("`Face` validation error")]
-    Face(#[from] FaceValidationError),
-
     /// `Shell` validation error
     #[error("`Shell` validation error")]
     Shell(#[from] ShellValidationError),